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what is VPCS

Posted: Tue Aug 30, 2011 10:32 am
by Chandresh K. Soni
I saw a COA of Trichloroacetyl chloride from Sigma aldrich in which purity is mentioned by GC VPCS.
please guide me What is the meaning of VPCS. is this Vapour phase or what is the terminology.please suggest me , this terminology.

regards
chandresh