BS 4427-7:1974 - Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Estimation of tripolyphosphate (triphosphate) content of sodium tripolyphosphate

BS 4427-7:1974

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

Status : Withdrawn   Published : June 1974

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Gravimetric method using the tri(ethylenediamine) cobalt (II) chloride complex. Not applicable in the presence of metaphosphate but up to 6 per cent of pyrophosphate does not interfere.




Standard NumberBS 4427-7:1974
TitleMethods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Estimation of tripolyphosphate (triphosphate) content of sodium tripolyphosphate
StatusWithdrawn
Publication Date07 June 1974
Confirm Date15 January 1987
Withdrawn Date15 March 1992
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Draft Superseded By73/50149 DC
DescriptorsSodium inorganic compounds, Polyphosphates, Phosphates, Industrial, Determination of content, Chemical analysis and testing, Complexing methods, Gravimetric analysis, Testing conditions, Interferences (chemical)
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 triphlophosphate (triphosphate) du tripolyphosphate de sodium
Title in GermanVerfahren zur Pruefung von Natriumtripolyphosphat (Pentanatriumtriphosphat) und Natriumpyrophosphat (Tetranatriumpyrophosphat). Schaetzung des Tripolyphosphat-(Triphosphat)-anteils von Natriumtripolyphosphat
ISBN0 580 08031 5
PublisherBSI
FormatA4
DeliveryNo
File Size547.3 KB
Price£182.00


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