• Your shopping cart is empty!

  • 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

$71.00$142.24


Published:07/06/1974

Pages:8

File Size:1 file , 320 KB

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 1792
BS 2586
BS 3145
BS 3422
BS 3978

More BS standard pdf

BS 5153:1974

BS 5153:1974

Specification for cast iron check valves for general purposes

$90.00 $180.34

BS 5132-1:1974

BS 5132-1:1974

Embossed credit cards. Specifications, numbering system and registration procedure

$125.00 $251.46

BS 598:1958

BS 598:1958

Sampling and examination of bituninous mixtures for roads and buildings.

$125.00 $251.46

BS 775-2:1974

BS 775-2:1974

Specification for contactors-A.C. contactors for voltages above 1 kV and up to and including 12 kV

$90.00 $180.34