IS 3025 : Part 35 : 1988 Methods of Sampling and Test ( Physical and Chemical) for Water and Wastewater - Part 35 : Silica
UDC 628.1/.3 : 543.363 | CHD 36 |
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Reaffirmed 2019 |
1 Scope
Prescribes four methods for determination of silica as follows:
a) Gravimetric method,
b) Molybdosilicate method,
c) Heteropoly blue method, and
d) Automated method for molybdate-reactive silica.
1.1 Gravimetric method determines total silica. Other methodsdetermine molybdate reactive silica.