技术规格说明书
产品名称
氟化钠 puriss., meets analytical specification of Ph. Eur., BP, USP, 98.5-100.5% (calc. to the dried substance)
产品编号
01148
产品品牌
sigald
化学文摘社编号
7681-49-4
分子量
41.99
Test皿 | 规格 |
|---|---|
| TITRATABLE ACID | free acid (as HF): ≤ 0.2 % |
| TITRATABLE BASE | free alkali (as NaOH): ≤ 0.1 % |
| ASSAY | 98.5 - 100.5 % (calc. to the dried substance) |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| LOSS ON DRYING | ≤ 0.5 % (150C) |
| LOSS ON DRYING | ≤ 0.5 % (130C/3h) |
| ACIDITY OR ALKALINITY | Complying |
| RESIDUAL SOLVENTS | Complying |
| HEAVY METALS | ≤ 20 ppm |
| PROOF OF IDENTITY | IDENTITY CORRESPONDS |
| Miscellaneous Assay | fluorosilicate (SiF6): complying |
| Miscellaneous Assay | sodium hexafluorosilicate (Na2SiF6): ≤ 0.2 % |
| IRON | ≤ 0.005 % |
| CHLORIDE (CL) | ≤ 100 ppm |
| SULFATE (SO4) | ≤ 200 ppm |
| REMARKS | Identity, assay and impurities are complying to the monographs of the above mentioned pharmacopeias/codices |