Differences

This shows you the differences between two versions of the page.

--- chemical:glassware [2013/06/01 21:48] – [Misc Fluoropolymer] mcmaster
+++ chemical:glassware [2013/06/08 03:54] (current) – removed mcmaster
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-Don't use actual glassware for anything related to HF.  Additionally, anything that uses HF, especially staining solutions, should be copper free.  Experience has shown that even trace amounts of copper after a thorough cleaning can contaminate etching solutions.
-I love fluoropolymers since they work with just about anything but they can be expensive.  Polypropylene works just as well in many cases.  HDPE/LDPE probably next in order of general preference.
-Of course, make sure to look up compatibility before assuming that a chemical is safe to use in a given container.  [[http://www.calpaclab.com/Chemical-Compatibility-Chart-s/789.htm|A quick check chart can be found here]].
-====== Bottles ======
-===== Fluoropolymer =====
-Nalgene makes PFA bottles with ETFE caps.  They are somewhat common on eBay.  [[http://www.thermoscientific.com/ecomm/servlet/productsdetail_11152___11964151_-1|Example dealer here]] lists them as "Nalgene* Narrow-Mouth Bottles; Teflon* PFA screw closure".
-Entegris makes similar FLUOROPURE brand bottles.  [[http://www.entegris.com/Resources/assets/3470-7395-0113.pdf|Product sheet here]].
-===== Polypropylene =====
-Made by Nalgene
-====== Misc Fluoropolymer ======
-Enteigris Fluoroware are the majority of fittings you'll find on the surplus market
-[[http://www.sani-techwest.com/|Sani-Tech West]] makes some nice PFA vessels for pharmaceutical industry