1.1 Trifluoroacetamida(BSTFA+TMCS)(folosit la derivatizare pentru THC,amfetamine,metamfetamine,exstasy,cocaina) 15238-5ml 5ml Sigma Aldrich 1 373.44 373.44 "N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane for GC derivatization, LiChropur™, contains 1% TMCS, 99% (excluding TMCS)"
2.2 Anhidrida trifluoroacetica (pentru derivatizare amphetamine, metaboliti,cocaine) 701130.110 10ml Macherey Nagel 1 202.80 2...
1.1 Trifluoroacetamida(BSTFA+TMCS)(folosit la derivatizare pentru THC,amfetamine,metamfetamine,exstasy,cocaina) 15238-5ml 5ml Sigma Aldrich 1 373.44 373.44 "N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane for GC derivatization, LiChropur™, contains 1% TMCS, 99% (excluding TMCS)"
2.2 Anhidrida trifluoroacetica (pentru derivatizare amphetamine, metaboliti,cocaine) 701130.110 10ml Macherey Nagel 1 202.80 202.80 "Derivatization reagents for GC, acylation, TFAA;The acylation reagent TFAA as anhydride creates corresponding acids as by-products. Excess reagent and the acid formed have to be removed.
TOTAL FARA TVA 576.24