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Laboy Glass

Glass Reaction/Schlenk Tube with Inner Joint and 0-4mm High Vacuum Valve

Glass Reaction/Schlenk Tube with Inner Joint and 0-4mm High Vacuum Valve

Regular price $27.49

Regular price $42.55

Sale price $27.49

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Design: This schlenk tube features a heavy-wall cylindrical tube with an inner ground joint on top and a high vacuum valve at the side arm. The inner joint on top allows for a more secure and stable connection with jointed lab glassware apparatus. The high vacuum valve at the side arm enables the exchange of the atmosphere of the flask with inert gas and facilitates counterflow or sampling operations.
Use: This schlenk tube is perfect for storage or running small reactions in air-sensitive chemistry. The high vacuum valve allows for a highly sealed system, which is essential in air-sensitive reactions. The side arm can be connected to a vacuum line for purging and flushing with inert gas.
Dimensions: This schlenk tube comes with a high vacuum valve with a PTFE O-ring at the tip and PTFE wiper to protect the O-ring on the shaft. .
Heavy wall: This schlenk tube is hand-blown according to ASTM E438 and made of high-quality borosilicate glass, which is annealed at 800 degrees Celsius. It can be heated directly in an open flame and can withstand typical laboratory thermal variations. It is durable and reusable.
100% 40-day money-back guarantee: If you are not satisfied for any reason, you can return it for a full refund with no questions asked. Please understand that glassware is fragile, and even if we pack them carefully, they may break during shipment. If you receive broken items, don't hesitate to contact us, and we will arrange for free replacement or a full refund.
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