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UOP
Standard
Withdrawn, Replaced
Last Updated: Jul 24, 2002
Track Document
UOP627-85
Silica and Sodium in Water Glass
Silica and Sodium in Water Glass
UOP627-85
UOP|UOP627-85|en-US
Silica and Sodium in Water Glass
Standard
Silica and Sodium in Water Glass>
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This method is for determining silica and sodium, or sodium oxide, in water glass using a volumetric and gravimetric technique. The range of sodium ordinarily determined is 3 to 10%, and that of silica is 15 to 30%. Both sodium and silica may be determined at higher levels. The lower limit of detection for sodium is 0.02% and for silica 0.5%. Results are reported in mass-%.