• BS 4427-7:1974

BS 4427-7:1974

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

BSI Group , 06/07/1974

Publisher: BS

File Format: PDF

$132.00$264.16


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.

More BS Standards PDF

IEEE C37.04-2018

IEEE C37.04-2018

$80.00 $160.00

IEEE 1901a-2019

IEEE 1901a-2019

$76.00 $152.00

IEC 62597 Ed. 1.0 en:2019

IEC 62597 Ed. 1.0 en:2019

$95.00 $190.00

IEC 60335-2-89 Ed. 3.0 b:2019