Sodıum Hydrogen Carbonate gr For Analy. Plastik Şişe 1 Kilogram
957,90 TL + KDV
1.149,48 TL
| SODIUM HYDROGEN CARBONATE GR FOR ANALY. plastik şişe 1 kilogram |
| Teknik Özellikler | |
| Catalog No |
: 31437 |
| Cas Number | : 144-55-8 |
|
Linear Formula |
: NaHCO3 |
| Molecular Weight |
: 84.01 |
| EC Number |
: 205-633-8 |
| MDL Number |
: MFCD00003528 |
| Grade |
: ACS reagent, reag. Ph. Eur., puriss. p.a. |
| Assay |
: ≥ 99.7 % |
| Form |
: Powder |
| İmpurities |
residual solvents, complies
≤ 0.0005 % ammonium (NH4)
≤ 0.003 % S-compounds (as SO4)
≤ 0.005 % I red. matters (as SO2)
≤ 0.015 % in water insoluble matters |
| pH | : ≤ 8.6 (20 °C, 5 %) |
| pKa (25 °C) |
: (1) 6.37, (2) 10.25 (carbonic acid) |
| Solubility |
H2O: soluble0.5 g/10 mL, clear, colorless
water: soluble 50 g/L |
| Anion traces |
chloride (Cl-): ≤10 mg/kg phosphate (PO4³-): ≤10 mg/kg |
| Cation traces |
As: 2 ppm (MHS-AAS)
Ca: ≤100 ppm
Cd: ≤5 ppm
Co: ≤50 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Mg: ≤50 ppm
Ni: ≤50 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm |
| Suitability |
: Complies for appearance of solution |