GB/T 30906-2014
Determination of sodium tripolyphosphate content of sodium tripolyphosphate―Ion chromatography
GB/T 9984.11-2004
Sodium tripolyphosphate for industrial use-Determination of I type content
QB/T 1035.2-1991
QB/T 1035.4-1991
GB/T 9984.2-2004
Sodium tripolyphosphate for industrial use-Determination of total phosphorus(v)oxide content-Quinoline phosphomolybdate gravimetric method
GB/T 9984.11-1988
Sodium tripolyphosphate for industrial use--Determination of I type content
GB/T 9984.2-1988
Sodium tripolyphosphats for industrial use--Determination of total phosphorus pentoxide content--Quinoline phosphomolybdate gravimetric method
GB/T 9984.6-2004
Sodium tripolyphosphate for industrial use—-Determination of iron content—-2,2'-bipyridyl spectrophotometric method
HG/T 2517-2009
KS M ISO 3357-2017(2022)
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
HG/T 2528-2009
GB/T 1267-2011
Chemical reagent - Sodium dihydrogen phosphate dihydrate
GB/T 9984.6-1988
Determination of iron content in industrial sodium tripolyphosphate--2,2'-Bipyridyl spectrophotometric method
KS M ISO 3357-2017
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
GB/T 1263-2006
Chemical reagent - Disodium hydrogen phosphate dodecahydrate
QB/T 1035.3-1991
GB/T 9984.10-2004
Sodium tripolyphosphate for industrial use (including foodstuffs)—Determination of oxides of nitrogen content-3,4-Xylenol spectrophotometric method
GB 1886.338-2021
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
GB 34456-2017
Feed additive―Sodium dihydrogen phosphate