BS 4427-6:1974 - Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Estimation of pyrophosphate content of sodium pyrophosphate

BS 4427-6:1974

Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Estimation of pyrophosphate content of sodium pyrophosphate

Status : Confirmed, Current   Published : June 1974

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Potentiometric method after conversion of the tetrasodium pyrophosphate to disodium dihydrogen pyrophosphate and precipitation of the pyrophosphate with liberation of sulphuric acid. Applicable to products containing at least 90 per cent of tetrasodium pyrophosphate and in the absence of more condensed forms of phosphate.




Standard NumberBS 4427-6:1974
TitleMethods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Estimation of pyrophosphate content of sodium pyrophosphate
StatusConfirmed, Current
Publication Date07 June 1974
Confirm Date01 June 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Draft Superseded By72/55290 DC
DescriptorsSodium inorganic compounds, Pyrophosphates, Phosphates, Industrial, Determination of content, Chemical analysis and testing, Potentiometric methods, Testing conditions, Calibration
ICS71.060.50
Title in FrenchMethodes d'essai pour le tripolyphosphate de sodium (triphosphate pentasodique) et le pyrophosphate de sodium (pyrophosphate tetrasodique). Estimation de la teneur en pyrophosphate du pyrophosphate de sodium
Title in GermanVerfahren zur Pruefung von Natriumtripolyphosphat (Pentanatriumtriphosphat) und Natriumpyrophosphat (Tetranatriumpyrophosphat). Schaetzung des Pyrophosphatanteils von Natriumpyrophosphat
CommitteeCII/34
ISBN0 580 08021 8
PublisherBSI
FormatA4
DeliveryYes
Pages8
File Size320.3 KB
Price£110.00


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