Products
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POMEX Kjeldahl Flask Heavy Wall Long Neck Lab Borosilicate Glass 100ml 250ml 500ml 1000ml
Premium Borosilicate Glass: Made from high-quality borosilicate glass for excellent thermal shock resistance, chemical durability, and long-lasting lab performance. Heavy Wall Construction: Thick, heavy wall design provides added strength and durability for repeated heating, digestion, and distillation procedures. Long Neck Design: Helps reduce splashing and sample loss while supporting efficient reflux and distillation. Round Bottom: Promotes uniform heat distribution and easy mixing, making it ideal for Kjeldahl digestion and distillation. Chemical & Heat Resistant: Suitable for use with acids, bases, and common laboratory chemicals when used according to standard lab practices. Reusable & Autoclavable: Durable glassware that can be cleaned and reused, making it a cost-effective choice for busy laboratories. Multiple Capacities Available: Choose from common lab sizes such as 100 mL, 250 mL, 500 mL, 1000 mL, or as listed.
$29.95 - $290.00
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POMEX Lab Glassware Long Neck Round Bottom Flask Borosilicate Glass Heavy Wall 50ml to 5000ml
Long Neck Design: Provides additional space for vapor expansion, reduces splashing, and allows for safer heating and reflux operations. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and clear visibility of contents. Heavy Wall Construction: Thicker glass walls offer increased mechanical strength and durability for repeated use in demanding lab environments. Round Bottom (RBF): Ideal for uniform heat distribution and efficient magnetic stirring in heating mantles; helps minimize hot spots and bumping. Wide Capacity Range: Available from 50ml to 20000ml to accommodate various experimental scales and applications. Thermal Shock Resistance: Withstands rapid temperature changes typical in laboratory heating and cooling procedures when used correctly. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Autoclavable: Safe for sterilization by autoclaving. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Versatile Compatibility: Accepts standard stoppers or can be used with appropriate adapters for reflux and distillation setups. Durable & Reusable: Designed for long-term laboratory use, reducing replacement costs.
$12.99 - $160.00
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POMEX Laboratory Borosilicate 3.3 Glass Liebig Condenser Lab Chemistry Distillation Column 19/22 Joint
Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 19/22 Standard Conical Joint: Compatible with standard 19/22 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 19/22 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 100mm, 150mm, 200mm, 250mm, 300mm, 400mm, 500mm and 600mm.
$35.85 - $220.00
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POMEX Laboratory Borosilicate Glass Liebig Condenser Lab Chemistry Distillation Column 24/40 Joint
Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 24/40 Standard Conical Joint: Compatible with standard 24/40 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 24/40 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 200mm, 300mm, 400mm, or as selected Compatibility: 24/40 standard ground glass joints
$35.85 - $55.95
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POMEX Laboratory Glass Graduated Cylinder Borosilicate 3.3 Heavy Wall Measuring Cylinder 10ml to 1000ml
Accurate Graduation Scale: Clearly marked graduations for precise and repeatable volume measurement. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding optical clarity. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life. Wide Capacity Range: Available from 5ml to 2000ml to accommodate various laboratory needs. Stable Hexagonal Base: Provides excellent stability and prevents rolling on the laboratory bench. Pour Spout: Integrated spout allows precise, drip-free pouring of liquids. Clear Glass: Allows easy observation of contents and accurate meniscus reading. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for measuring, mixing, and transferring liquids in laboratory procedures.
$14.99 - $170.00
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POMEX Laboratory Glass Volumetric Flask Amber with Base Ground Stopper 1ml 2ml 5ml 10ml
Amber Glass Construction: Provides excellent UV protection to prevent degradation of light-sensitive solutions and compounds. Flat Base Design: Provides excellent stability when standing on the laboratory bench, preventing tipping and spills. Class A Calibration: Meets high accuracy standards for precise volume measurement and reliable preparation of standard solutions. Matching Ground Glass Stopper: Included stopper provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life in demanding laboratory environments. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Stable Flat Bottom Base: Provides stability when standing on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. UV Protection: Amber glass protects photosensitive chemicals from light degradation. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.
$19.99 - $160.00
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POMEX Laboratory Glassware Borosilicate Graduation Erlenmeyer Flask with 14/20 Joint 10ml 50ml
Durable Glass Construction: Made from high-quality Borosilicate 3.3 glass for reliable and long-lasting use. Superior Thermal Shock Resistance: Manufactured from high-grade borosilicate glass, this flask can withstand rapid temperature changes without cracking. It is safe for use with open flames, hot plates, and autoclaving, making it ideal for heating and cooling applications. Heat Resistant: Designed for laboratory heating applications and temperature changes when used appropriately. Excellent Chemical Durability: The inert nature of the glass ensures that it will not react with acidic, alkaline, or corrosive chemicals. This guarantees that your solutions remain pure and uncontaminated during critical reactions. Versatile Applications: Ideal for laboratories, schools, research facilities, chemical testing, and general sample preparation.
$19.95 - $179.99
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POMEX Laboratory Glassware Rotary Evaporator Recovery Flask Borosilicate Glass 24/40 Standard Outer Joint 100ml 250ml 500ml
Rotary Evaporator Recovery Flask – Borosilicate Glass 24/40 Standard Outer Joint – from 5ml to 3000ml – Round Bottom Evaporating Flask for Lab Distillation & Concentration. Product Highlights: Precision 24/40 Standard Outer Joint: Ground glass joint provides a tight, secure seal with compatible rotary evaporator adapters, minimizing leaks and sample loss. High-Quality Borosilicate Glass: Excellent thermal shock resistance and chemical durability, safe for heating, cooling, and autoclaving. Round Bottom Design: Promotes even heating and efficient evaporation, ideal for uniform sample concentration and solvent recovery. Excellent Chemical Resistance: Inert glass surface resists attack from most acids, bases, and solvents, ensuring sample purity. Clear & Transparent: Allows for easy visual monitoring of sample volume and evaporation progress. Durable & Reusable: Smooth, non-porous surface is easy to clean and built for repeated laboratory use. Multiple Sizes Available: Choose from 50ml up to 3000ml to match your application needs.
$24.95 - $190.00
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POMEX Long Neck Flat Bottom Flask Lab Heavy Wall Borosilicate Glass Heavy Wall 100ml 250ml 500ml
Long Neck Design: Helps reduce evaporation and splashing, provides safer handling, and allows easy access for stirring or pouring. Flat Bottom: Allows the flask to stand upright on a lab bench, hot plate, or stirrer without additional support. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and clear visibility of contents. Heavy Wall Construction: Thicker glass walls provide increased mechanical strength and long-term durability. Wide Capacity Range: Available in 5ml, 10ml, 15ml, 25ml, 50ml, 100ml, 150ml, 250ml, 500ml, 1000ml, 2000ml and 3000ml sizes. Clear Glass: Allows easy observation of liquids, mixing, and reactions. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Withstands typical laboratory heating and cooling procedures when used correctly. Autoclavable: Safe for sterilization by autoclaving. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Versatile Applications: Suitable for mixing, sample preparation, storage, titration, and general laboratory work. Compatible with Standard Stoppers: Neck accepts suitable stoppers or closures depending on neck diameter. Durable & Reusable: Designed for repeated use, helping reduce replacement costs.
$12.95 - $170.00
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POMEX Metal Joint Clips Lab Glassware Joints 14/20, 19/22, 24/40, 29/42 Standard Conical Interface
Strong Metal Construction: Durable metal body and spring design for secure joint retention. Reliable Joint Holding: Helps prevent accidental separation of ground glass joints during use. Standard Size Compatibility: Fits 14/20, 19/22, 24/40, and 29/42 standard conical interfaces. Spring-Style Snap-On Design: Quick and easy to attach or remove by hand—no tools required. Reusable & Long-Lasting: Made for repeated laboratory use and long service life. Corrosion-Resistant Finish: Suitable for normal laboratory environments, depending on material option. Heat-Resistant: More suitable than plastic clips for higher-temperature lab apparatus. Versatile Applications: Perfect for distillation, reflux, extraction, synthesis, and general glassware assembly. Easy Size Selection: Packaged or labeled by joint size for convenient ordering. Cost-Effective Lab Essential: Ideal for research labs, industrial labs, and educational laboratories. Specifications: Product Type: Keck-Style Clamp Clip Material: Metal stainless steel Joint Sizes: 14/20, 19/22, 24/40, 29/42 Compatibility: Standard conical ground glass joints Design: Spring-style snap-on clip Package Includes: 10 pcs
$25.00 - $28.00
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POMEX Plastic Lab Keck Clamp Joint Clips for Standard Glassware Joints 14/20, 19/22, 24/40, 29/42 Conical Interface
Secure Joint Retention: Firmly holds ground glass joints together to reduce slippage and accidental disconnection. Multiple Standard Sizes: Available for 14/20, 19/22, 24/40, and 29/42 standard conical interfaces. Durable Plastic Construction: Lightweight, impact-resistant, and made for repeated laboratory use. Chemical-Resistant: Suitable for routine exposure to common lab chemicals and solvents when used as intended. Quick Snap-On Design: Easy to install and remove by hand—no tools required. Size Identification: Color-coded or clearly labeled by size for fast, convenient selection. Reusable & Cost-Effective: Ideal for research labs, teaching labs, and industrial applications. Versatile Applications: Perfect for distillation, reflux, extraction, synthesis, and general glassware assembly. Specifications: Product Type: Lab Keck Clamp Clip / Plastic Joint Clip Material: Laboratory-grade plastic Joint Sizes: 14/20, 19/22, 24/40, 29/42 Compatibility: Standard conical ground glass joints Color: Assorted / color-coded by size, depending on option Package: Package includes 10 pcs Applications: Laboratory glassware, distillation, reflux, extraction, education, research
$22.00 - $25.00
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POMEX Professional Glass Volumetric Flask Amber with Ground Stopper Borosilicate 3.3 Class A Heavy Wall Laboratory Grade
Amber Glass Construction: Provides excellent UV protection to prevent degradation of light-sensitive solutions and compounds. Class A Calibration: Meets high accuracy standards for precise volume measurement and reliable preparation of standard solutions. Matching Ground Glass Stopper: Included stopper provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life in demanding laboratory environments. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Stable Flat Bottom Base: Provides stability when standing on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. UV Protection: Amber glass protects photosensitive chemicals from light degradation. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.
$19.85 - $200.00
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POMEX Professional Laboratory Glass Graduated Volumetric Flask with Stopper Borosilicate 3.3 10ml, 200ml, 250ml
Graduated Scale: Clear, easy-to-read graduations allow flexible measurement of multiple volumes in one flask. Matching Ground Glass Stopper: Provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding optical clarity. Heavy Wall Construction: Thicker glass walls for increased mechanical strength and long service life. Available Capacities: 10ml, 25ml, 50ml, 100ml, and 250ml to suit various laboratory needs. Clear Calibration Marks: Prominent graduation lines ensure accurate and repeatable volume measurement. Stable Flat Bottom Base: Allows the flask to stand securely on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. Durable & Reusable: Designed for repeated use, reducing replacement costs. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.
$19.85 - $180.00
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POMEX Professional Laboratory Glass Liebig Condenser Lab Chemistry Distillation Column 14/20 Joint
Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 14/20 Standard Conical Joint: Compatible with standard 14/20 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 14/20 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 100mm, 150mm, 200mm, and 300mm
$39.85 - $160.00
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POMEX Professional Low Form Griffin Beaker Double Scale Graduation Borosilicate 3.3 Glass Beaded Rim Autoclavable Laboratory Grade
Low Form Griffin Design: Wide, low-profile shape provides a large surface area for efficient mixing, heating, and evaporation. Double Scale Graduation: Features clearly marked dual scales for easy and accurate volume measurement from either direction. Pour Spout: Integrated spout allows precise, drip-free pouring of liquids without mess or waste. Beaded Rim: Reinforced rim adds mechanical strength and provides a smooth, safe edge for handling. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding optical clarity. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life. Autoclavable: Safe for sterilization by autoclaving for sterile laboratory applications. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Clear Glass: Allows easy observation of contents, mixing, and reactions. Flat Bottom Base: Provides stability when standing on the laboratory bench or hot plate. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for mixing, heating, measuring, and general laboratory work.
$12.99 - $199.00
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POMEX Rotary Evaporator Recovery Flask Borosilicate Glass 29/42 Standard Outer Joint for Lab Distillation Concentration
Product Highlights: Precision 24/40 Standard Outer Joint: Ground glass joint provides a tight, secure seal with compatible rotary evaporator adapters, minimizing leaks and sample loss. High-Quality Borosilicate Glass: Excellent thermal shock resistance and chemical durability, safe for heating, cooling, and autoclaving. Round Bottom Design: Promotes even heating and efficient evaporation, ideal for uniform sample concentration and solvent recovery. Excellent Chemical Resistance: Inert glass surface resists attack from most acids, bases, and solvents, ensuring sample purity. Clear & Transparent: Allows for easy visual monitoring of sample volume and evaporation progress. Durable & Reusable: Smooth, non-porous surface is easy to clean and built for repeated laboratory use. Multiple Sizes Available: Choose from 100ml to 3000ml to match your application needs.
$25.95 - $280.00
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POMEX Single Neck Round Bottom Flask Laboratory Borosilicate Glass with 29/42 Outer Joint 100ml 250ml 1000ml
Leak-Resistant 29/42 Joint: Precision-ground standard taper outer joint creates a snug, secure fit with 29/42 inner joint glassware. Built to Take the Heat: High-quality borosilicate glass handles rapid temperature changes, direct heating, and autoclave cycles without cracking. Even Heating, Even Boiling: The round bottom promotes uniform heat distribution for smooth boiling and efficient distillation. Chemically Inert: Resists most acids, bases, and solvents, keeping your samples pure and your results accurate. See-Through Clarity: Clear glass lets you monitor reactions, boiling, and volume at a glance. Easy to Clean & Reuse: Smooth, non-porous surface wipes clean and stands up to repeated use. Pick Your Size: Available in 50ml, 100ml, 150ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml and 5000ml to fit your workflow.
$26.95 - $299.00
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POMEX Three Neck Borosilicate Lab Glass Round Bottom Flask 14/20 19/22 24/40 29/42 Joints
Premium Borosilicate 3.3 Glass: High thermal shock resistance, excellent chemical durability, and clear visibility of contents. Multiple Joint Sizes Available: Choose from 14/20, 19/22, 24/40, or 29/42 standard taper outer joints to match your existing lab glassware. Standard Taper Joints: Precision-ground for a secure, accurate fit with condensers, adapters, stoppers, thermometers, and addition funnels. Three-Neck Configuration: Center neck plus two side necks allow multiple operations at once, improving workflow and reducing setup complexity. Round Bottom Design: Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps minimize hot spots and bumping. Heavy-Wall Construction: Durable, autoclavable, and built for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered joints ensure easy connection and removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Versatile Applications: Suitable for multi-step synthesis, distillation, reflux, extraction, titration, and general research. Available in Multiple Capacities: Select the capacity that best fits your application; available sizes vary by joint type.
$24.99 - $160.00
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POMEX Three Neck Round Bottom Boiling Flask 14/20 Joints Borosilicate Lab Glassware 25ml 50ml
Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. Precision-Ground 14/20 Joints: The three vertical necks feature standard 14/20 Taper Outer Joints, ensuring a tight, leak-proof fit with your existing condensers, adapters, and thermometers. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.
$25.99 - $100.00
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POMEX Three Neck Round Bottom Flask 29/42 Joints Borosilicate Lab Glassware 250ml 500ml 1000ml
Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. Precision-Ground 29/42 Joints: All three necks feature 29/42 male joints for a secure, leak-proof fit with standard 29/42 condensers, adapters, stoppers, thermometers, and addition funnels. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.
$29.99 - $160.00
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POMEX Three Neck Round Bottom Flask Borosilicate Lab Glassware ST24/40 Standard Taper Outer Joints 250ml 50ml
24/40 Standard Taper Outer Joints: All three necks feature 24/40 male joints for a secure, leak-proof fit with standard 24/40 condensers, adapters, stoppers, thermometers, and addition funnels. Three-Neck Design: Allows simultaneous reflux, stirring, reagent addition, temperature monitoring, or distillation in one compact setup. Round Bottom: Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps reduce bumping and hot spots. High-Quality Borosilicate 3.3 Glass: Offers excellent thermal shock resistance, chemical durability, and clear visibility of contents. Heavy-Wall Construction: Durable and autoclavable, designed for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered outer joints ensure a tight seal and easy connection or removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Versatile Applications: Suitable for multi-step synthesis, distillation, extraction, reflux, titration, and general lab research. Available Capacities: Choose from common sizes such as 50ml, 100 mL, 250 mL, 500 mL, 1000 mL, and 2000 mL.
$25.99 - $140.00
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POMEX Three-Neck Round Bottom Boiling Flask 19/22 Taper Outer Joint Borosilicate Glass 150ml 250ml 500ml
Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. 19/22 Taper Outer Joints: All three necks feature 19/22 male joints for a secure, leak-proof fit with standard 19/22 condensers, adapters, stoppers, thermometers, and addition funnels. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.
$25.99 - $140.00
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POMEX Transparent Laboratory Glass Volumetric Flask with Base Borosilicate Glass Heavy Wall 1ml 2ml 5ml 10ml
Flat Base Design: Provides excellent stability when standing on the laboratory bench, preventing tipping and spills. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and long-lasting performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life. Available Capacities: 1ml, 2ml, 5ml, and 10ml to suit micro-scale laboratory applications. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.
$17.99 - $160.00
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POMEX Two Neck Round Bottom Flask Borosilicate Glass RBF 19/22 Joints 100ml 250ml 500ml 1000ml
Taper Outer Joints: Center 19/22 joint, side necks are 19/22 or 14/20 joints, simplifying setup and maximizing compatibility with existing glassware. Precision-Ground Joints: Accurately ground to ensure tight, leak-resistant seals with compatible components. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.
$27.99 - $115.00
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