Displaying items 49 - 60 of 77
Rubber Stopper, #000Septum Stopper, White Rubber, for 19/20 Joints
"Sleeve" style septum with hollow plug for use with 19/20 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14468
$2.25
Rubber Stopper, #000Septum Stopper, White Rubber, for 24/40 Joints
"Sleeve" style septum with hollow plug for use with 24/40 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14469
$2.95
Silica Gel 60A Sorbent, 1.5kg, Chromatographic, 200-400 meshSilica Gel 60A Sorbent, 1.5kg, Chromatographic, 200-400 mesh
This Silica Gel 60A is a granular, porous solid commonly used as the stationary phase in column chromatography. NC-14344
$100.00
Dow Corning High Vacuum GreaseSilicone High Vacuum Grease, 150g
Used as a sealant for vacuum, distillation, and pressure systems. Lubricates valves, stopcocks, and synthetic rubber gaskets and seals in high temperature applications. Used to lubricate O-rings in telescopes and binoculars, and can prevent fogging of lenses. NC-1087
$49.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 2000mLSingle Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 1000mL
This 1000mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and flat bottom. NC-13197
$32.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 2000mLSingle Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 2000mL
This 2000mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and flat bottom. NC-13326
$59.95
Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 250mLSingle Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 250mL
This 250mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and flat bottom. NC-13693
$18.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 5000mLSingle Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 5000mL
This 5000mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and flat bottom. NC-14451
$89.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 500mLSingle Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 500mL
This 500mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and flat bottom. NC-13198
$21.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 1000mLSingle Neck Round Bottom Boiling Flask, 24/40 Joint, 1000mL
This 1000mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and round bottom. NC-10357
$32.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 100mLSingle Neck Round Bottom Boiling Flask, 24/40 Joint, 100mL
This 100mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and round bottom. NC-13726
$14.95
Single Neck Round Bottom Boiling Flask, 24/40 Joint, 2000mLSingle Neck Round Bottom Boiling Flask, 24/40 Joint, 2000mL
This 2000mL borosilicate glass single short neck boiling flask features a standard taper 24/40 ground glass mouth, globe-shape, and round bottom. NC-13327
$59.95

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