ISO 2998:1974

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of orthophosphate content — Photometric method using the reduced molybdophosphate

Specifies a photometric method, using the reduced molybdophosphate, for the determination of orthophosphate content of sodium tripolyphosphate and sodium pyrophosphate for industrial use. Applicable to products with orthophosphate contents between 0,05 and 1,0 % (m/m).

SDO:

ISO

Language:

English

ICS Codes:

71.060.50

Status:

Withdrawn

Publish date:

1974-11-30

Standard Number:

ISO 2998:1974