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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
|
NIL
|
2.5
|
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Loss on ignition at 1000
deg.C. for 2 hrs
|
1.3%
|
2%
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PH (1 in 30ml)
|
4.2
|
3.4-4.4
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Heavy metals as Pb
|
Passes the limit test
|
25ppm
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Chlorides
|
Passes the limit test |
250ppm
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Arsenic
|
Passes the limit test |
8ppm
|
|
Assay SiO2 (on ignition
basis)
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99.89%
|
99% - 100.5%
|
Surface area m2/gm
|
230
|
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Mesh size
|
-325 (B.S)
|
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