GB/T 13689-1992
Industrial circulating cooling water—Determination of copper—Sodium diethyldithiocarbamate spectrophotometric method
CB/T 3905.5-2005
Method for chemical analysis of tin-base bearing alloy-Part 5:Sodium diethyldithiocarbamate photometric method for the determination of copper content
CJ 26.16-1991
GB/T 30921.2-2016
Test method of purified terephthalic acid (PTA) for industrial use—Part 2: Determination of metal content
GB/T 30921.3-2016
Test method of purified terephthalic acid (PTA) for industrial use—Part 3: Determination of water content
BS 4427-12:1979
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method
GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
BS 4427-15:1982
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Condensed phosphates for industrial use (including foodstuffs) - determination of oxides of nitrogen content - 3,4-xylenol spectrophotometric method
\u0413\u041e\u0421\u0422 30059-93
Non-alcoholic drinks. Methods for determination of aspartame, saccharin, caffeine and sodium benzoate
CB/T 3905.5-1999
GB/T 30921.4-2016
Test method of purified terephthalic acid (PTA) for industrial use—Part 4: Determination of titanium content—Diantipyrylmethane photometric method
HG/T 5390-2018
Sodium formate for industrial use
GB/T 6489.3-2001
Phthalate esters for industrial use—Methods of test—Determination of ester content—Titrimetric method after saponification
\u0413\u041e\u0421\u0422 \u0420 50502-93
Nonalcoholic drinks. Metods for determination of aspartame, saccharin, coffein and sodium benzoate
GB/T 6276.7-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 7:Arsenic content—Silver diethyl dithiocarbamate photometric method
\u0413\u041e\u0421\u0422 24445.10-92
Phthalic anhydride for industrial use. Method for determination of iron content
KS M 1944-2002(2007)
Acetic acid for industrial use-Method of test-Determination of formic acid content-Iodometric method
BS 6070-7:1981
Methods of sampling and test for sodium carbonate for industrial use-Determination of copper content
HG/T 5389\uff5e5392-2018
BS 6070-5:1981
Methods of sampling and test for sodium carbonate for industrial use-Determination of sulphate content