HG/T 4876-2016
3-Aminopyridine for industrial use
GB/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
YS/T 520.3-2007
Chemical analysis of gallium—Part 3:Determination of aluminium content—The chromazurol S-tetradecyl pyridine bromide spectrophotometric method
20232486-T-326
Determination of amino sugars in soil by gas chromatography
SN/T 3529-2013
Determination of 2,4-diaminophenol,2,3-diaminophenol and 2,4-diaminoanisole in hair dyes for import and export
GB/T 43603.3-2024
Methods for chemical analysis of nickel-platinum target alloys—Part 3:Determination of carbon content—High frequency infrared detection method
GB/T 26310.3-2010
Carbonaceous materials used in the production of aluminium - Calcined coke - Part 3:Determination of apparent oil content - Heating method
YS/T 1065.5-2019
Test method for zeolite-Part 5: Determination of A13+-EDTA volumetric method
GB/T 11060.3-2018
Natural gas─Determination of sulfur compound─Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
YS/T 587.3-2007
Calcined coke for Prebaked blocks—Testing methods—Part 3:Determination of volatile matter content
GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
YY/T 1805.3-2022
Tissue engineering medical device products—Collagen protein—Part 3:Quantification of collagen based on marker peptide detection—Liquid chromatography-mass spectrometry
DB65/T 4631.3-2023
\u0413\u041e\u0421\u0422 32798-2014
Food products, food raw materials. Method for determination of the aminoglycosides content by high performance liquid chromatography with mass spectrometry detector
DB52/T 1307-2018
YB/T 5072-2014
Determination of pyridine and homologues contents of curde light pyridine
GB/T 3711-2008
Method of determination for neutral oils and pyridine bases contents of phenol products
DB65/T 2009.3-2003
GB/T 5009.195-2003
Determination of chromium picolinate inhealth foods
GB/T 26626-2011
Animal and vegetable fats and oils - Determination of water content - Karl Fischer method (pyridine free)