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Silicon Dioxide Silicon dioxide is used as acidity regulator. Due to its free flowing properties it is used in instant Soups, Tea, Coffee etc.
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Analysis
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Results
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IP Limit
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Description
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Light, Fine, Snow white
Amorphous, Fluffy powder
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--
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Loss on drying at 110
deg.C. for 2 hrs
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NIL
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2.5
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Loss on ignition at 1000
deg.C. for 2 hrs
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1.3%
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2%
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PH (1 in 30ml)
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4.2
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3.4-4.4
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Heavy metals as Pb
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Passes the limit test
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25ppm
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Chlorides
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Passes the limit test |
250ppm
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Arsenic
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Passes the limit test |
8ppm
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Assay SiO2 (on ignition
basis)
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99.89%
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99% - 100.5%
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Surface area m2/gm
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230
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Mesh size
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-325 (B.S)
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