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 Septum Stopper, White Rubber, for 19/20 Joints | Septum 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 Puncture seals automatically after the needle is withdrawn.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
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$2.25
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|  Septum Stopper, White Rubber, for 24/40 Joints | Septum 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 Puncture seals automatically after the needle is withdrawn.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
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$2.95
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|  Silica Gel 60A Sorbent, 1.5kg, Chromatographic, 200-400 mesh | Silica 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
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$100.00
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 Silicone High Vacuum Grease, 150g | Silicone 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
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$49.95
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|  Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 1000mL | Single 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
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$32.95
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|  Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 2000mL | Single 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
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$59.95
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 Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 250mL | Single 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
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$18.95
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|  Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 5000mL | Single 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
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$89.95
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|  Single Neck Flat Bottom Round Boiling Flask, 24/40 Joint, 500mL | Single 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
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$21.95
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 Single Neck Round Bottom Boiling Flask, 24/40 Joint, 1000mL | Single 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
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$32.95
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|  Single Neck Round Bottom Boiling Flask, 24/40 Joint, 100mL | Single 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
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$14.95
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|  Single Neck Round Bottom Boiling Flask, 24/40 Joint, 2000mL | Single 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
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$59.95
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