Formaldehyde impurity in methanol

Chromatography Forum: GC Archives: Formaldehyde impurity in methanol
Top of pagePrevious messageNext messageBottom of pageLink to this message  By Finn Homann on Monday, November 17, 2003 - 03:50 am:

Does anyone have any comments or experiences with formaldehyde impurities in methanol. We see regularily formaldehyde derivatives when we employ this solvent for the analysis of amines


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Monday, November 17, 2003 - 06:52 am:

Yes, HCHO in small amounts is routinely present.


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Daa on Monday, November 17, 2003 - 06:53 am:

And the answer is READ THE PMW -IT HAS BEEN KNOWN FOR YEARS. Formaldehyde is formed in the GC-inlet when methanol is used as solvent!


Top of pagePrevious messageNext messageBottom of pageLink to this message  By FH on Monday, November 17, 2003 - 06:54 am:

Thanks to both of you ;-)


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Tuesday, November 18, 2003 - 05:26 am:

What's "PMW"?


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Tuesday, April 20, 2004 - 04:56 am:

PMW is short hand for Pfleger Mauer Weber


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Wednesday, April 21, 2004 - 03:58 am:

Doesn't he play for Bayern Munich?


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