BS 4427-7:1974

$142.49

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

Published By	Publication Date	Number of Pages
BSI	1974	10

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Categories: 71.060.50 - Salts, BSI

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Description

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.

Additional information

Status	Withdrawn
Pages	10
Publication Date	1974-06-07
Withdrawn Date	1992-03-15
ISBN	0 580 08031 5
Standard Number	BS 4427-7:1974
Title	Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use – Estimation of tripolyphosphate (triphosphate) content of sodium tripolyphosphate
Technically Equivalent National Standard Of	ISO 3000:1974
Descriptors	Gravimetric analysis, Polyphosphates, Industrial, Testing conditions, Complexing methods, Sodium inorganic compounds, Chemical analysis and testing, Interferences (chemical), Phosphates, Determination of content
Publisher	BSI
ICS Codes	71.060.50 - Salts

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BS 4427-7:1974

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