Sodium Fluoride (Tooth grade) 98%
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1>Sodium Fluoride 99%
2>Sodium Fluoride
3>6000MT/year
4>Brand products in China
Sodium Fluoride 7681-49-4 NaF
Molecular formula: NaF
Molecular weight: 42
Standard: GB4293-84
CAS No.: 7681-49-4
Properties: it is a white powder or crystal, it is relative density is 2.56, melting point 993 and bolting point 1704. it is insouble in ethanol and toxic, its aqueous solution will etch glass.
Spec.
Analysis Item | Method | Limit | Result | Analyst | Date |
sodium fluoride content | USP | 98.0-102.0% | 99.3% | Lauren | 0106 |
acidity or alkalinity | USP | ≤2.0ml 0.1mol/L NaOH, ≤0.5 ml 0.05mol/L H2SO4 | passed test | Lauren | 0106 |
fluosilicate | USP | ≤1.5ml 0.10N NaOH | 0.03ml | Lauren | 0106 |
appearance | Visual | white power | passed test | Lauren | 0106 |
odor | enterprise standard | odorless | passed test | Lauren | 0106 |
determine the nature-F- | USP | must qualified | passed test | Lauren | 0106 |
iron | enterprise standard | ≤75mg/kg | <75mg/kg | Lauren | 0106 |
heavy metal | USP | ≤0.003% | <0.003% | Lauren | 0106 |
water ( loss on drying) | USP | ≤0.5% | 0.1% | Lauren | 0106 |
determine the nature-Na+ | USP | must qualified | passed test | Lauren | 0106 |
chloride | USP | ≤120mg/kg | <120mg/kg | Lauren | 0106 |
impurity | enterprise standard | must qualified | passed test | Lauren | 0106 |
arsenic content | enterprise standard | ≤2mg/kg | <2mg/kg | Lauren | 0106 |
Conclusion | toothpaste grade | Signature | Anna | 20100106 |