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Calcium Carbonate 98% (Extra Pure) - Specifications |
|
Description |
White powder |
|
Assay (Complexometry on dry basis) |
98.0 – 100.5% |
|
Identification |
Passes test |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Iron (Fe) |
Max. 0.02% |
|
Substances insoluble in acetic acid |
Max. 0.2% |
|
Barium (Ba) |
Passes test |
|
Arsenic (As) |
Max. 0.0004% |
|
Magnesium (as alkali metals) |
Max. 1.0% |
|
Loss on drying (200°C, 4hrs) |
Max. 2.0% |
|
Chloride (Cl) |
Max. 0.025% |
|
Sulphate (SO4) |
Max. 0.3% |
|
pH value |
8 |
|
Melting point/Freezing point (° C) |
799-801° C |
|
Solubility in water |
Insoluble |
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Calcium Carbonate Precipitated 99% (AR) - Specifications |
|
Description |
White powder |
|
Assay |
Min. 99.0% |
|
Chloride (Cl) |
Max. 0.005% |
|
Sulphate (SO4) |
Max. 0.02% |
|
Heavy metals (as Pb) |
Max. 0.001% |
|
Iron (Fe) |
Max 0.02% |
|
Arsenic (As) |
Max 0.0003% |
|
pH value |
8 |
|
Melting point/Freezing point (° C) |
799-801° C |
|
Solubility in water |
Insoluble in water |
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MARBLE CHIPS |
|
Description |
White powder |
|
Assay (Complexometry on dry basis) |
98.0 – 100.5% |
|
Identification |
Passes test |
|
Substances insoluble in acetic acid |
Max. 0.2% |
|
Chloride (Cl) |
Max. 0.025% |
|
Sulphate (SO4) |
Max. 0.3% |
|
Loss on drying (200°C, 4hrs) |
Max. 2.0% |
|
Heavy metals (as Pb) |
Max. 0.002% |
|
Iron (Fe) |
Max. 0.02% |
|
Barium (Ba) |
Passes test |
|
Arsenic (As) |
Max. 0.0004% |
|
Magnesium (as alkali metals) |
Max. 1.0% |
|
Loss on drying (200°C, 4hrs) |
Max. 2.0% |
|
Melting point/Freezing point (° C) |
799-801° C |
|
Solubility in water |
Insoluble |
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