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AWWA B404 2014 Edition, June 8, 2014
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Liquid Sodium Silicate
Page Count:28
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Standard Methods for the Examination of Water and Wastewater
This standard describes liquid sodium silicate used in the preparation of activated silica, which is used as a coagulant aid for the treatment of potable water, wastewater, or reclaimed water for (1) the control of corrosion and (2) stabilization of iron and manganese.


The purpose of this standard is to provide the minimum requirements for liquid sodium silicate, including physical, chemical, sampling, testing, packaging, and shipping requirements.