Russian standards PDF
GOST 27868-2019
High purity substances. Method for concentration of microimpurities by extraction
Document status: Active
€10
GOST 27869-2019
High purity substances. Method for concentration of microimpurities by ion exchange
Document status: Active
€10
GOST 34533-2019
Food products, food raw materials. Method for determination of sulfonamides, nitroimidazoles, penicillins, amphenicols by high performance liquid chromatography - mass spectrometry
Document status: Active
€10