SILICON DIOXIDE COLLOIDAL HYDRATE

Short Name: SILICON DIOXIDE COLLOIDAL HYDRATE

Other Names: Quartz, Sand, white quartz, Silicon dioxide

Confirms to IP specification

Chemical Specifications

Appearance : White Fine Light, Amorphous Odourless Powder

Assay (as SiO2; on ignited basis) : 99.0 - 100.5%

Identification : To pass IP test

Loss on ignition (on anhydrous basis; at 900°C; 2 hrs) : Max 5.0%

pH (in 1 gm in 30 ml water suspension) : 3.5 -5.5

Chloride (Cl) : Max 0.025%

Heavy metal (as Pb) : Max 0.0025%

Arsenic (As) : Max 0.0008%