Standard | Reagent special grade |
---|---|
Standard name | SODIUM TETRABORATE DECAHYDRATE |
Capacity | NET 25kg |
Appearance | White crystal or crystalline powder |
Packaging type | Paper bag (outer bag: Craft, inner bag: polyethylene) |
Item | Standard value | Comment |
---|---|---|
Assay(Na2B4O7・10H2O) | 99.5~101.0% | |
Water solubility | pass test(Clear) | |
Chloride (Cl) | ≦5ppm | |
Nitrate(NO3) | pass test(≦0.005%) | |
Phosphate(PO4) | ≦0.001% | |
Sulfate (SO4) | ≦0.003% | |
Copper (Cu) | ≦5ppm | |
Calcium (Ca) | ≦0.001% | |
Lead(Pb) | ≦5ppm | |
Arsenic (As) | ≦2ppm | |
鉄(Fe) | ≦3ppm |
Application example
Reagent、Pharmaceutical raw materials、Glass material、Plating bath additive、Flame retardant agent
Handling precautions
Avoid direct sunlight and high temperatures