YB/T 4582.2-2017
Ferrosilicon nitride—Determination of chromium content—Diphenylcarbonhydrazide 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
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 14849.11-2016
Methods for chemical analysis of silicon metal—Part 11:Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method
HB/Z 5218.19-2004
Methods for chemical analysis of aluminium alloys-Part 19:Determination of chromium content by diphenylcarbazide spectrophotometric method
GB/T 9758.5-1988
Paints and varnishes--Determination of “soluble” metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectrophotometric method
KS M ISO 3856-5-2017
Paints and varnishes-Determination of “soluble” metal content-Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form-Diphenylcarbazide spectrophotometric method
\u0413\u041e\u0421\u0422 \u0420 50279.7-92
Paints and varnishes. Test methods of metal content. Determination of \
ISO 619:1981
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
ISO 3856-5:1984
Paints and varnishes — Determination of \
KS M ISO 3856-5(D)-2002
Paints and varnishes-Determination of “soluble” metal content-Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form-Diphenylcarbazide spectrophotometric method
HJ 674-2013
GB/T 30053-2013
Determination of Benzene, toluene and xylene in crude benzene
GB/T 28019-2011
Adornment - Determination of Chromium(Ⅵ)- 1, 5-Diphenylcarbohydrazide spectrophotometric method
GB/T 14327-2009
Determination of thiophene content in benzene
HG/T 3452-2000
Chemical reagent 2,4-Dinitrophenylhydrazine
GB/T 15507-1995
Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method
GB/T 8039-2022
Determination of total sulfur of coking benzole products
GB/T 4333.6-2019
Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method
HJ 908-2017