Nitrite traces besides excess chloride on the 940 Professional IC Vario applying conductivity and UV/VIS detection

IC Application Note C–145 Ammonium traces besides excess sodium using 940 Professional IC Vario and direct conductivity detection The determination of low ammonium concentrations besides excess sodium is demanding due to the small retention time difference of these two cations.…

Application Note AN-S-401 Nitrite in duloxetine hydrochloride API Ion chromatography method with automated sample preconcentration, matrix elimination, and UV/VIS detection Recently, the FDA released a guidance document for Dimethylamine is used during the synthesis of many pharmaceutical manufacturers regarding the…

Monograph Analysis of water samples and water constituents with Metrohm instruments Peter A. Bruttel and Nadine Seifert, revised by Dr. Markus Läubli, Uwe Loyall, and Lucia Meier Preface Water is essential for all living organisms – without water no life…

AN-S-236 Drinking water quality by EPA 300.1 Combining EPA method 300.1 parts A and B in a single IC run Summary Clean drinking water is cited as a human right by the World Health Organization [1]. Policies as well as…