1102614

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

standard by BSI Group , 06/07/1974

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Full Description

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 1792
BS 2586
BS 3145
BS 3422
BS 3978
 

Product Details

Published:
06/07/1974
ISBN(s):
0580080218
Number of Pages:
8
File Size:
1 file , 320 KB
Product Code(s):
80276, 80276, 00080276
Note:
This product is unavailable in Ukraine, Russia, Belarus