Brand:Feiyuan Chemical
MOQ:1
Quantity:400
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| MolecularFormula???NH4HF2 | MolecularWeight???57.04 | |
| Item | Specification | |
| Superior Grade | 1st Grade | |
| NH4HF2,% ≥ | 98.0 | 95.0 |
| loss ondrying,% ≤ | 1.0 | 5.0 |
| Content of residue onignition,% ≤ | 0.2 | 0.2 |
| Sulfate(base on SO4)content,% ≤ | 0.1 | 0.1 |
| Content of ammoniumfluosilicate [(NH4)2SiF6] ,% ≤ | 2.0 | 4.0 |
| Properties: itis a white orthorhombic crystal. it is easily deliquescent andagglomerative in the air. It is easily soluble in water and thesolution is acidic. It is slightly souble in alcohol, can bedecomposed in hot water and the solution appears to be strongacidic. It can sublimate in high temperature. It etches glass. Itwill corrupt skin and it is toxic when you touch it! | ||
| Usages: it isused as chemical reagent, glass etchant, antiseptic, disinfector,analytical reagent, the solvent in beryllia producing berylliummetal and the treatment of the surface of silicon steel plate. Itis also used as the oxidant in producing pottery and magnesium alloy. | ||
| Storage: Itshould be stored in dry storehouse, the maximum tempretureshould be lower than 50oC. Avoiddamage, contamination, and damp. | ||
| Transport:Prevent heat, rain and snow in the transportation. | ||
| Packing:Plastic woven bag lined with high-pressure polythene plasticbag. |
