化学名： 碱式碳酸镁(重质) 分子式： XMgCO3。yMg(OH)2。ZH2O 相对分子质量： 467.63 |
质量标准： HG2790---1996
氧化镁（MgO)含量 40.0--43.5
酸不溶物含量 % ≤0.05
氧化钙含量 % ≤0.60
砷(As)含量% ≤0.0003
重金属(以Pb计)含量% ≤0.003
铅(Pb)含量% ≤0.001
可溶性盐含量% ≤1
用 途： 碱性剂；干燥剂、护色剂、载体；抗结剂，自由流动剂面粉处理剂；营养增补剂；PH调节剂，加工助剂，脱模剂。
包 装： 25Kg内衬塑料袋，外用涂塑编织袋。
Chemistry name: Basic magnesium carbonate (heavy)
Molecular formula:XMgCO3。yMg(OH)2。ZH2O
comparativelyMolecular weight: 467.63
Performance: Basic magnesium carbonate (heavy) is white 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, ≤% | 0.05 | | Arsenic (As of), ≤% | 0.0003 | | Calcium oxide (CaO), ≤% | 0.6 | | Heavy metals (Pb dollars), ≤% | 0.002 | | Lead, ≤% | 0.001 | | Soluble salt, ≤% | 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. |
