Onw way of doing it wich allow easy connection and removal is by using a compression fitting such as "Swagelok" union or reducing union between the two tubes (as long as the two tubes have an external diameter that correspond to a tube diameter of the fitting). You can use an "insert" on the plastic tube to prevent collapsing of the tube by the compression fitting and use an O-ring with the back ferrule installed backward on the glass tube. You can also select the material of the fitting that is compatible with your chemicals. I have used similar set-up at many occasion and never have any problem. Hope it helps Pierre "House, Katherine C."
Sent by: DCHAS-L Discussion List 2010-10-22 03:20 PM Please respond to DCHAS-L Discussion List To DCHAS-L**At_Symbol_Here**LIST.UVM.EDU cc Subject [DCHAS-L] attaching tubing to glass A step in one of the analyses we do in our lab involves connecting Tygon tubing to the end of a glass tube. We have Kevlar gloves for this purpose, but IÕve heard of an additional safety device that can also be used for this purposeÑthough I canÕt find one. IÕve done the obligatory Google search with no luck. Has anyone heard of or used anything that reduces the risk of getting cut while attaching hose/tubing to glass tubes or rods? Many thanks; I hope everyone has a great weekend! Katherine C. House, CCHO Laboratory Coordinator Chemical Hygiene Officer Cormetech, Inc. 5000 International Drive Durham, NC 27712 919.620.3044 (office) 919.815.2024 (mobile) This email and attachments, if any, contain confidential/proprietary information and is submitted without consideration other than the recipient's agreement that it shall not be reproduced, copied, lent, or disposed of directly or indirectly nor used for any purpose other than that for which it is specifically furnished. P please consider the environment and print this e-mail only if absolutely necessary
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