GB/T 27715-2011
3-methylpyridine for industrial use
GB/T 27715-2011
GB/T 27715-2011
3-Aminopyridine for industrial use
GB/T 27715-2011
GB/T 27715-2011
GB/T 27715-2011
GB/T 27715-2011
GB/T 27715-2011
GB/T 27715-2011
GB/T 27715-2011
Methods for chemical analysis of selenium—Part 3:Determination of aluminum content—Chrome azurol S-cetyl trimethyl ammonium bromide absorption photometric method
GB/T 27715-2011
Chemical analysis of gallium—Part 3:Determination of aluminium content—The chromazurol S-tetradecyl pyridine bromide spectrophotometric method
GB/T 27715-2011
Cigarettes—Determination of nicotine,nornicotine,anatabine,myosmine,anabasine,cotinine and 2,3′-bipyridine in total particulate matter—Gas chromatography/mass spectrometry method
GB/T 27715-2011
Standard Test Method for Nicotine and 3-Ethenylpyridine in Indoor Air
GB/T 27715-2011
Environmental tobacco smoke-Determination of vapour phase nicotine and 3-ethenylpyridine in air-Gas-chromatographic method
GB/T 27715-2011
Environmental tobacco smoke-Determination of vapour phase nicotine and 3-ethenylpyridine in air-Gas-chromatographic method
GB/T 27715-2011
Coking pure pyridine
GB/T 27715-2011
Environmental tobacco smoke --Determination of vapour phase nicotine and 3-ethenylpyridine in air -- Gas-chromatographic method
GB/T 27715-2011
Pyridine for industrial use
GB/T 27715-2011
Environmental tobacco smoke. Determination of vapour phase nicotine and 3-ethenylpyridine in air. Gas chromatographic method
GB/T 27715-2011
Refined pyridine - Determination of pyridine content - Gas chromatographic method