HG/T 6015-2022
HG/T 4013-2008
Chemical reagent-2,2'-Bipyridyl
HG/T 6015\uff5e6016-2022
GB/T 16495-1996
Chemical reagent 2,2-Bipyridyl
SH/T 1499.5-1997
Pure adipic acid--Determination of content of iron--2,2'-Bipyridyl spectrophotometric method
GB/T 32159-2015
Coking pure pyridine
GB/T 27567-2011
Pyridine for industrial use
GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
GB/T 9984.6-2004
Sodium tripolyphosphate for industrial use—-Determination of iron content—-2,2'-bipyridyl spectrophotometric method
YC/T 563-2018
Cigarettes—Determination of nicotine,nornicotine,anatabine,myosmine,anabasine,cotinine and 2,3′-bipyridine in total particulate matter—Gas chromatography/mass spectrometry method
YB/T 5070-2014
α-methyl pyridine
GB/T 27715-2011
3-methylpyridine for industrial use
GB/T 689-1998
Chemical reagent--Pyridine
KS M ISO 2992-2017(2022)
Ammonium sulphate for industrial use — Determination of iron content — 2,2'-bipyridyl photometric method
YB/T 5071-2015
β-methyl pyridine fraction
KS M ISO 2992-2017
Ammonium sulphate for industrial use — Determination of iron content — 2,2'-bipyridyl photometric method
\u0413\u041e\u0421\u0422 32468-2013
Urea for industrial use. Determination of iron content. Photometric method with use of 2,2'-bipyridyl
YB/T 5072-2014
Determination of pyridine and homologues contents of curde light pyridine
GB/T 9984.6-1988
Determination of iron content in industrial sodium tripolyphosphate--2,2'-Bipyridyl spectrophotometric method
KS M 8482-1998
2,2' - BIPYRIDYL