GB/T 24801-2019
Antiscorching agent—N-cyclohexylthiophthalimide(CTP)
T/SDSCCE 045-2022
GB/T 25787-2010
4,4’-Sulfonyldiphenol(Bisphenol-S)
HG/T 4119-2009
HG/T 4473-2012
SH 0623-1995
GB/T 28019-2011
Adornment - Determination of Chromium(Ⅵ)- 1, 5-Diphenylcarbohydrazide spectrophotometric method
HG/T 6161-2023
HG/T 4407-2012
HG/T 5539-2019
SN/T 2914-2011
Determination of dicondensing-formylimine residues in foodstuffs for export
HG/T 5465-2018
HJ 908-2017
GB/T 15555.5-1995
Solid waste--Determination of total chromium--1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 15555.4-1995
Solid waste--Determination of chromium(VI)--1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 31931-2015
Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method
YB/T 4582.2-2017
Ferrosilicon nitride—Determination of chromium content—Diphenylcarbonhydrazide spectrophotometric method
GB/T 23943-2009
Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method
GB/T 7467-1987
Water quality--Determination of chromium(Ⅵ)--1,5 Diphenylcarbohydrazide spectrophotometric method
GB/T 14849.11-2016
Methods for chemical analysis of silicon metal—Part 11:Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method