Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate 5 kg
Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate |
| Teknik Özellikler | |
| Catalog No |
: 04269 |
| Cas Number | : 13472-35-0 |
|
Linear Formula |
: NaH2PO4·2H2O |
| Molecular Weight | : 156.01 |
| EC Number | : 231-449-2 |
| MDL Number | : MFCD00149209 |
| Assay |
: 98 - 100.5 % (calc. to the dried substance) |
| Quality | : meets analytical specification of Ph. Eur., BP, USP, FCC, E 339 |
| İmpurities | : heavy metals (as Pb), complies
organic volatile impurities, complies
reducing matter, complies
related substances, complies
residual solvents, complies
≤0.2% water-insoluble matter |
| Loos | : 21.5 - 24.0 % loss on drying, 130 °C |
| pH |
: 4.1-5.0 (20 °C, 1%), 4.2-4.5 (20 °C, 5%) |
| Anion traces |
: chloride (Cl-): ≤50 mg/kg
fluoride (F-): ≤10 mg/kg
sulfate (SO4²-): ≤200 mg/kg |
| Cation traces | : Al: in accordance
As: ≤2 mg/kg
Ca: ≤20 mg/kg
Ca:, in accordance
Cd: ≤1 mg/kg
Cu: ≤10 mg/kg
Fe: ≤5 mg/kg
Hg: ≤1 mg/kg
Mg: ≤20 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg |
| Suitability | : complies for appearance of solution |
