Chemistry name: Basic magnesium carbonate (heavy)
Molecular formula: MgCO3
Molecular weight: 84
Performance: White light for the fragile massive carbonate or loose white powder. Odorless, the relative density is 2.2kg. Melting point of 350 ℃. Be steady in the air, heated to 700 ℃ in carbon dioxide. Almost insoluble in water, but in the water caused minor alkaline reaction, do not dissolve in alcohol, acid can be dissolved and foam.
Quality standards:
Items HG2790 - 1996
Magnesium oxide content (MgO),% 40.0 ~ 43.5
Acid insoluble, ¡Ü% 0.05
Arsenic (As of), ¡Ü% 0.0003
Calcium oxide (CaO), ¡Ü% 0.6
Heavy metals (Pb dollars), ¡Ü% 0.002
Lead, ¡Ü% 0.001
Soluble salt, ¡Ü% 1
Use: Alkalizer; desiccant, color fixative, carrier, the free flow of flour treatment agent; nutritional supplements; PH regulator, processing aid, the release agent.
Packaging: With polyethylene lined with plastic bags, jackets composite plastic woven bags. The net weight is 25 kg.
Storage and transport: It should be stored in a dry and ventilative warehouse, it should be kept away from moisture and hot, furthermore,it should be stored separately from poisonous substances. Handled with care,so as to avoid damaging to bags.
|
Home
