L'explication/l'anotation:For food, cosmetics and fragrance, medical, rubber-technical,
chemical and other kinds of industry.
La description détaillée de marque:Physical-chemical indices:
1. Whiteness, %, no less than. 93
2. Mass fraction of calcium carbonate and
carbonic magnesium in term of
calcium carbonate, %, no less than. 98, 5
3. Mass fraction of free alkali
in term of calcium oxide, %, not more . 0, 03
4. Mass fraction of substances, not soluble
in chlorohydric acid, %, not more. 0, 1
including
mass fraction of grit, %, not more. 0, 014
5. Mass fraction of sesquilateral ferric oxides
and aluminium, %, not more. 0, 4
including
mass fraction of iron in term of
Fe2O3, %, not more. 0, 1
6. Mass fraction of manganese, %, not more. 0, 01
7. Mass fraction of copper, %, not more. 0, 0005
8. Mass fraction of moisture, %, not more. 0, 5
9. Residue after screening on sieve with
mesh, %, not more. 0, 4
10. Apparent density, ã/ñì3, no less than. 0, 25 |
