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          Magnesium carbonate
Chemical Name Magnesium carbonate
Molecular Formula MgCO3·H2O
Molecular Weight 102
Features It is white brittle lump or loose white powder . odorless, relative density: 2.2° m.p.: 350℃. Stable in the air, almost insoluble in water, insoluble in ethanol
Quality standard HG2790-1996
Use As drier, colour fixative, antitackiness agent, bulk agent; acidity regulators.
Packing In plastic woven bag lined with PE bag. net wt. per bag 25kg.
Storage & Transport Should be stored in dry and draughty warehouse, protect against dampness, heating and toxic substances, handle with care, protect against damage to packing.
Specifications

Item

HG2790-1996

Assay(MgO),≥%

40.0-43.5

Insol. in acids

0.05

Calcium oxide(CaO)≤%

0.6

Heavy metal (Pb),≤%

0.002

Lead (Pb),≤%

0.001

Soluble salt ≤%

1

 
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