GB/T 29666-2013
Cosmetic preservatives - Mixture of methylchloroisothiazolinone and methylisothiazolinone with magnesium chloride and magnesium nitrate
GB/T 32160-2015
Technical methylnaphthalene
GB/T 24212-2009
Methylnaphthalene oil
YB/T 4150-2018
YB/T 5154-2016
Technical methylnaphalene-The determination of methylnaphthalene content and naphthalene content-The gas chromatography
YB/T 6275-2024
20221171-T-469
Methylnaphthalene oil
YB/T 4150-2006
β-Methyl naphthalene
T/HPFCIA 22017-2023
32019R0291
YB/T 917-2017
Carbon materials—Determination of vanadium content—3,3-dimethyl naphthalene amine colorimetric method
GB/T 13580.7-1992
Determination of nitrite in the wet precipitation--N-(1-naphthyl)-1, 2-diaminoethane dihydrochloride spectrophotometry
32014R0192
32010D0244
GB/T 12374-1990
Standard method for examination of nitrate in air of residential areas—Reduction of the cadmium column—spectrophotometry of N-(1-naphthyl) ethylene diamine hydrochloride
32014R0487
T/CIESC 62-2023
DB34/T 2507-2015
GB/T 6912.3-1986
Methods for analysis of water for boiler and for cooling—The determination of nitrates and nitrites—Alpha-naphthylamine hydrochloride photometric method
HG/T 5344\uff5e5349-2018