GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
DB35/T 944-2009
DB34/T 2192-2014
T/CNIA 0119-2021
T/CNIA 0117-2021
GB/T 9722-2023
Chemical reagent—General rules for the gas chromatography
GB/T 34672-2017
Chemical reagent—General rules for the ion chromatography
\u0413\u041e\u0421\u0422 10398-76
Reagents and super pure substances. Complexonometric method for determination of basic matter content
GB 10738-2007
Working chemical - General rules for assay - weight titration
GB 10737-2007
Working chemical - General rules for assay - Weight titration(potentiometric method)
GB/T 38479-2021
Determination of chitosan content—High performance liquid chromatography
GB/T 38095-2019
Determination of docosahexaenoic acid and eicosapentaenoic acid content—Gas chromatography
YY/T 1870-2023
General requirements of liquid chromatography-mass spectrometry testing kit
GB/T 41946-2022
Rubber—Determination of total sulfur content—Ion chromatography method
HG/T 4581-2013
Chemical reagent-Methanol for high performance liquid chromatography eluent
GB/T 3597-2002
Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
HG/T 5930-2021
HG/T 4582-2013
Chemical reagent-Acetonitrile for high performance liquid chromatography eluent
HG/T 3501-2011
HG/T 5929-2021