Best 17 Glass Stopcocks for 2019

 

Laboy HMM011301 Glass Double Manifold Vacuum Gas Distributor for Schlenk Line with 3-Port Solid Glass Stopcock All Hose Opens 350 mm Length

Laboy HMM011301 Glass Double Manifold Vacuum Gas Distributor for Schlenk Line with 3-Port Solid Glass Stopcock All Hose Opens 350 mm Length

Laboy HMM011301 Glass Double Manifold Vacuum Gas Distributor for Schlenk Line with 3-Port Solid Glass Stopcock All Hose Opens 350 mm Length - With 4mm double oblique, high vacuum solid glass stopcocks. The solid glass stopcocks have constant pressure retention devices. The double manifold, also called vacuum gas distributaries usually used in schlenk line. Distance between stopcocks is 100mm center to center. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

 

Chemglass AF-0542-04 Airfree Fritted Filter Funnel with 2mm Glass Stopcock Coarse Frit 2440 Standard Taper Inner and Outer Joint 200ml Capacity

Chemglass AF-0542-04 Airfree Fritted Filter Funnel with 2mm Glass Stopcock, Coarse Frit, 24/40 Standard Taper Inner and Outer Joint, 200ml Capacity

Chemglass AF-0542-04 Airfree Fritted Filter Funnel with 2mm Glass Stopcock, Coarse Frit, 24/40 Standard Taper Inner and Outer Joint, 200ml Capacity - Capacity listed is that above the fritted disc. Top outer joint is the same size as the lower inner joint. Available with a choice of a 2mm high vacuum glass stopcock having a s. Constant pressure retaining device or a 0-4mm chem-cap airfree inlet valve. S. Fritted filter funnel has a choice of coarse or medium porosity fritted disc. Lower outlet is a standard taper inner joint and has a cg-961-01 0-4mm chem-vac chem-cap valve.

 

Chemglass AF-0520-01 Airfree Single Neck Reaction Flask with 2mm Glass Stopcock Kjeldahl Shape 1420 Standard Taper Outer Joint 10ml Capacity

Chemglass AF-0520-01 Airfree Single Neck Reaction Flask with 2mm Glass Stopcock, Kjeldahl Shape, 14/20 Standard Taper Outer Joint, 10ml Capacity

Chemglass AF-0520-01 Airfree Single Neck Reaction Flask with 2mm Glass Stopcock, Kjeldahl Shape, 14/20 Standard Taper Outer Joint, 10ml Capacity - Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. S. Available with a choice of a 2mm high vacuum glass stopcock having a s. Lower portion of flask fits standard heating mantles. Constant pressure retaining device or a 0-4mm chem-cap airfree inlet valve.

 

SEOH Buret Burette Glass Stopcock Borosilicate Glass 50 ml

SEOH Buret Burette Glass Stopcock Borosilicate Glass 50 ml

SEOH Buret Burette Glass Stopcock Borosilicate Glass 50 ml - Accurately graduated, with white engraved markings, with fitted straight bore glass leak proof stopcock with capillary jet. Thick wall construction. Made from borosilicate glass. Also known as geissler burets. Capacity 50 ml.

 

Chemglass AF-0500-02 Series AF-0500 Connecting Adapter 2 mm Glass Stopcock Airfree Schlenk 2440 Joint Size

Chemglass AF-0500-02 Series AF-0500 Connecting Adapter, 2 mm Glass Stopcock, Airfree, Schlenk, 24/40 Joint Size

Chemglass AF-0500-02 Series AF-0500 Connecting Adapter, 2 mm Glass Stopcock, Airfree, Schlenk, 24/40 Joint Size - Constant pressure retention device or a 0-4mm chem-cap airfree inlet valve. Available with a choice of a 2mm high vacuum glass stopcock having a s. With top outer and lower inner standard taper joints, both being the same size. Converts standard flasks and other apparatus to airfree applications. S.

 

Laboy HMF031506 Glass Conical Separators Funnel 1000 mL with 27 Joint at Top and 4 mm Glass Stopcock

Laboy HMF031506 Glass Conical Separators Funnel 1000 mL with 27# Joint at Top and 4 mm Glass Stopcock

Laboy HMF031506 Glass Conical Separators Funnel 1000 mL with 27# Joint at Top and 4 mm Glass Stopcock - The separators funnel is also known as separation funnel, separating funnel, or colloquially separate funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate the components of a mixture into two immiscible solvent phases of different densities. With shape of a cone and glass stopcock at bottom, and with a standard taper outer joint at top, laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.

 

SEOH Separatory Funnel Borosilicate Glass Stopcock 500 ml

SEOH Separatory Funnel Borosilicate Glass Stopcock 500 ml

SEOH Separatory Funnel Borosilicate Glass Stopcock 500 ml - Separatory funnel, conical pear shaped, is made of heat resistant borosilicate glass with ground glass stopcock and ground glass stopper. After purchase, the seller will contact you via email to verify your permit. Failure to provide a valid permit will result in a cancellation and refund of your order. Texas residents under texas state law, this product requires a precursor chemical/laboratory apparatus nar-120 permit to ship to a texas address. Capacity 500ml. Glass leak proof stopcock.

 

SEOH Separatory Funnel Borosilicate Glass Stopcock 1000 ml

SEOH Separatory Funnel Borosilicate Glass Stopcock 1000 ml

SEOH Separatory Funnel Borosilicate Glass Stopcock 1000 ml - Texas residents under texas state law, this product requires a precursor chemical/laboratory apparatus nar-120 permit to ship to a texas address. After purchase, the seller will contact you via email to verify your permit. Failure to provide a valid permit will result in a cancellation and refund of your order. Glass leak proof stopcock. Separatory funnel, conical pear shaped, is made of heat resistant borosilicate glass with ground glass stopcock and ground glass stopper. Capacity 1000ml.

 

American Educational Borosilicate Glass 25mL Automatic Burette with Ground Glass Stopcock and Amber Storage Container

American Educational Borosilicate Glass 25mL Automatic Burette, with Ground Glass Stopcock and Amber Storage Container

American Educational Borosilicate Glass 25mL Automatic Burette, with Ground Glass Stopcock and Amber Storage Container - Made of borosilicated glass and is permanently graduated. Capacity 25 milliliters. It is numbered every 1ml and has 01ml subdivisions. It includes an amber reservoir bottle with a rubber stopper. The automatic burette has a ground glass stopcock with an amber storage container for storing and dispensing standard solutions.

 

Separatory Funnel Set 500ml with Glass Stopcock and Ringstand

Separatory Funnel Set, 500ml with Glass Stopcock and Ringstand

Separatory Funnel Set, 500ml with Glass Stopcock and Ringstand - Separatory funnels pear-shaped design, widely used in organic chemistry for separating organic from aquatic products. These funnels all have ground glass stoppers and stopcocks separatory funnel set a complete set-up, including 20″ support stand, separatory funnel, and 3″ support ring.

 

Funnel Separatory Glass Cylindrical Glass Stopcock Glass Stopp

Funnel Separatory Glass Cylindrical, Glass Stopcock, Glass Stopp

Funnel Separatory Glass Cylindrical, Glass Stopcock, Glass Stopp - Use this piece of laboratory glassware for the separation of two immiscible liquids (of different densities). Cylindrical and pear-shaped glass funnels are available. Typically, you’ll be separating the compound(s) dissolved in the aqueous (water) layer from the the compound(s) present in the organic layer. Image may vary. You can decant either the water layer and/or the organic layer separately from one another, depending on what your experimental protocol dictates. These come with glass, polypropylene or teflon stoppers and either glass or teflon stopcocks.

 

SEOH Separatory Funnel Ground Glass Stopcock 2000 ml with Hardware

SEOH Separatory Funnel Ground Glass Stopcock 2000 ml with Hardware

SEOH Separatory Funnel Ground Glass Stopcock 2000 ml with Hardware - 2000 ml conical separatory funnel is made of heat resistant borosilicate glass with ground glass stopcock and ground glass stopper. After purchase, the seller will contact you via email to verify your permit. Texas residents under texas state law, this product requires a precursor chemical/laboratory apparatus nar-120 permit to ship to a texas address. Failure to provide a valid permit will result in a cancellation and refund of your order. Hand calibrated and accurate to +/- 1% total volume.

 

250ml Addition Pressure Equalizing Funnel with glass stopcock 2440 joint

250ml Addition Pressure Equalizing Funnel, with glass stopcock, 24/40 joint

250ml Addition Pressure Equalizing Funnel, with glass stopcock, 24/40 joint - Glass stopcock special capacity, joint size, and custom made are available upon request. 250ml pressure equalizing funnel, with glass stopcock, 24/40 joint made with borosilicate glass 3. 3, 3, standardiso international standard 4, with 24/40 joint 5. 3, low linear coefficient of expansion and high annealing point 1, ca pacity 250ml, 2, material borosilicate glass 3.

 

American Educational Replacement Tube for 10mL Automatic Burette with Ground Glass Stopcock

American Educational Replacement Tube for 10mL Automatic Burette, with Ground Glass Stopcock

American Educational Replacement Tube for 10mL Automatic Burette, with Ground Glass Stopcock - Use with 10ml automatic burette with ground glass stopcock. Replacement tube. Pack of 1.

 

Chemglass CG-4441-03 Borosilicate Glass Vacuum Manifold Inert Gas Glass Stopcock 8 Height

Chemglass CG-4441-03 Borosilicate Glass Vacuum Manifold, Inert Gas, Glass Stopcock, 8″ Height

Chemglass CG-4441-03 Borosilicate Glass Vacuum Manifold, Inert Gas, Glass Stopcock, 8″ Height - Similar to the cg-4440 vacuum manifold, but with both ends of the inert gas line open to permit connection to the gas source and an oil bubbler. Hose connections have a 10mm small serration and a 11mm large serration.

 

Glass Valve Connector Stopcock Stopper for Vacuum Desiccator 8912

Glass Valve Connector Stopcock Stopper for Vacuum Desiccator 8″/9″/12″

Glass Valve Connector Stopcock Stopper for Vacuum Desiccator 8″/9″/12″ - Joint diameter 22-23 mm. Fits our 8″/9″/12″ glass vacuum desiccator. Glass connector stopper for vacuum desiccator.

 

Laboy HMF031503 Glass Conical Separators Funnel 125 mL with 22 Joint at Top and 2 mm Glass Stopcock

Laboy HMF031503 Glass Conical Separators Funnel 125 mL with 22# Joint at Top and 2 mm Glass Stopcock

Laboy HMF031503 Glass Conical Separators Funnel 125 mL with 22# Joint at Top and 2 mm Glass Stopcock - The separator funnel is also known as separation funnel, separating funnel, or colloquially separate funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate the components of a mixture into two immiscible solvent phases of different densities. With shape of a cone and glass stopcock at bottom, and with a standard taper outer joint at top, laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.