Noba-a silylating agent - chromatographic purity - urgent

Chromatography Forum: GC Archives: Noba-a silylating agent - chromatographic purity - urgent
Top of pagePrevious messageNext messageBottom of pageLink to this message  By vijay on Tuesday, December 23, 2003 - 02:01 am:

hai,
I have problem in anlaysing N,O-Bis(trimethylsilyl)acetamide by gc. i am using HP-1(30m, 0.32mm, 0.25) and fid. whenever i am injecting 0.2L with a split of 1:100 at injector temp varying from 120 to 250C no injection is got reproduced. Fluka grade sample labelled for 95% purity gives two peaks with bad shapes. could any one can give better idea. Is FID Really do the job or else.


Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Tuesday, December 23, 2003 - 12:23 pm:

0.2 ul split 100:1 is very little sample, isn't it? I wouldn't expect very good reproducibility


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