YS/T 1057.4-2022
BS 4427-13:1982
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 calcium content - flame atomic absorption spectrometric method
BS 4427-10:1976
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
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
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
YS/T 1445.3-2021
HG/T 2517-2009
HG/T 2528-2009
GB 1886.338-2021
GB 1886.348-2021
GB/T 30906-2014
Determination of sodium tripolyphosphate content of sodium tripolyphosphate―Ion chromatography
GB/T 33828-2017
Determination of contents of Fe(Ⅲ) in nano lithium iron phosphate
GB/T 31266-2014
Determination of chloral content for superphosphorate
HG/T 2517-1993
SN/T 4590-2016
Determination of sodium pyrophosphate,sodium tripolyphosphate and sodium trimetaphosphate in aquatic products for export-Ion chromatography
HG 2528-1993
ISO 3000:1974
Sodium tripolyphosphate for industrial use — Estimation of tripolyphophate content — Tris(ethylenediamine) cobalt (III) chloride gravimetric method
GB 25565-2010
HG/T 4075-2008
Phosphorus trichloride for industrial use-Determination of phosphoric acid content-spectrometric method
GB/T 9984.11-2004
Sodium tripolyphosphate for industrial use-Determination of I type content