UOP Standard Withdrawn, Replaced   Last Updated: Jul 24, 2002 Track Document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 new
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Universal Oil Products

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-%.

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