Product Description
Calcium Carbonate
Appearance: White powder
Legal number:CAS 471-34-1 EINECS 207-439-9:INS 170
Molecular formula:CaCO3
Molecular weight:100.09
Purpose: alkaline agent; nutritional supplements; dough regulator; yeast food; curing agent; anti caking agent; bulking agent; fermentation agent; gum additives and modifiers; white pigment (food colorant surface).
Packaging and storage:Preserve in well-closed container,25kg/paper plastic complex bag,or according to order.
Shelf life: In conform to the specified storage conditions and packaging is complete, shelf life is 2 years.
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Item
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Index
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CaCO3 %
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GB1898-2007
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USP35
|
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98.0-100.5
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98.0-100.5
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|
Loss on drying≤%
|
2
|
2
|
|
Acid-insoluble substance≤%
|
0.2
|
0.2
|
|
Iron≤%
|
----
|
0.1
|
|
Heavy metals (Pb)≤%
|
----
|
0.002
|
|
Lead (Pb)≤ppm
|
3
|
3
|
|
Arsenic(As)≤ppm
|
3
|
3
|
|
Fluoride(F)≤%
|
0.005
|
0.005
|
|
Mercury ≤ppm
|
1
|
0.5
|
|
Magnesium and alkali salts ≤%
|
1
|
1
|
|
Barium ≤%
|
0.03
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Meet the requirement
|
|
Cadmium ≤%
|
0.0002
|
----
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|
Free alkali
|
Meet the requirement
|
----
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