BS 4427-6:1974

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

Published By	Publication Date	Number of Pages
BSI	1974	8

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Categories: 71.060.50 - Salts, BSI

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Description

This Part of BS 4427 specifies a potentiometric method for the estimation of the pyrophosphate content of tetrasodium pyrophosphate for industrial use.

NOTE The titles of the British Standards referred to in this Part are listed on the inside back cover.

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.

Additional information

Status	Confirmed
Pages	8
Publication Date	1974-06-07
ISBN	0 580 08021 8
Standard Number	BS 4427-6:1974
Title	Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use – Estimation of pyrophosphate content of sodium pyrophosphate
Technically Equivalent National Standard Of	ISO 2999
Descriptors	Chemical analysis and testing, Testing conditions, Calibration, Determination of content, Phosphates, Potentiometric methods, Sodium inorganic compounds, Industrial, Pyrophosphates
Publisher	BSI
Committee	CII/34
ICS Codes	71.060.50 - Salts

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BS 4427-6:1974

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