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  • BS 4427-6:1974

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

BSI Group , 06/07/1974

Publisher: BS

File Format: PDF

$80.00$160.02


Standard By:BSI Group , 06/07/1974
Published:06/07/1974
Pages:8
ISBN(s):0580080218
File Size:1 file , 320 KB
Language:English
Note:This product is unavailable in Ukraine, Russia, Belarus
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.Cross References:BS 1792BS 2586BS 3145BS 3422BS 3978

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