GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
YB/T 5072-2014
Determination of pyridine and homologues contents of curde light pyridine
GB/T 2292-2018
Determination of toluene insoluble content for coking products
GB/T 3711-2008
Method of determination for neutral oils and pyridine bases contents of phenol products
SN/T 3233-2012
Determination of o-Fluorotoluene,m-Fluorotoluene,p-Fluorotoluene for import and export
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)
YB/T 5074-2005
Determination of water content of pyridine products
GB/T 23990-2009
Determination of the contents of benzene,toluene,ethylbenzene and xylene in coatings by gas chromatography
GB/T 8038-2023
Coking toluene—Determination of hydrocarbon impurities—Gas chromatography
GB/T 24282-2021
Plastics—Determination of xylene-soluble matter fraction in polypropylene
HG/T 3943-2007
Poly(vinyl chloride)resin-Determination of toluene content
GB/T 32477-2016
Plastics—Determination of total chlorine content in toluene diisocyanates for use in the production of polyurethanes
DB51/T 1922-2014
GB/T 6730.44-2017e
Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthoI spectrophotometric method
GB/T 6730.44-2017
Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method
NB/SH/T 0713-2023
NY/T 3037-2016
YB/T 5072-2005
GB/T 2292-1997
Coking products—Determination of toluene insoluble content