Natriumtetraboraatti-10 H2O 99.0-103.0% Ph. Eur.
Toimittaja: VWR Chemicals
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Vaara
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83555.460EA
679
EUR
83555.460
83555.290
Natriumtetraboraatti-10 H2O 99.0-103.0% Ph. Eur.
Natriumtetraboraatti-10 H2O
|
Kaava:
Na₂B₄O₇·10H₂O MW: 381,37 g/mol Kiehumispiste: 320 °C (1013 hPa) Sulamispiste: 75 °C Tiheys: 1,73 g/cm³ (20 °C) Storage Temperature: Huoneenlämpö |
MDL numero:
MFCD00149193 CAS-numero: 1303-96-4 EINECS: 215-540-4 REACH: 01-2119490790-32 Merck Index: 13,08662 |
Testitulosten erittely
| Assay | 99.0 - 103.0 % |
| Appearance | Conforms (see CoA/CoS) |
| Identification A | Passes test |
| Identification B | Passes test |
| Identification (Na) | Passes test |
| Appearance of solution | Passes test |
| pH (4 %) | 9.0 - 9.6 |
| SO4 (Sulphate) | ≤ 50 ppm |
| NH4 (Ammonium) | ≤ 10 ppm |
| Ca (Calcium) | ≤ 100 ppm |
| Heavy metals (as Pb) | ≤ 25 ppm |
| Residual solvents | Passes test |
| As (Arsenic) | ≤ 5 ppm |
| Cd (Cadmium) | ≤ 1 ppm |
| Co (Cobalt) | ≤ 1 ppm |
| Hg (Mercury) | ≤ 2 ppm |
| Ni (Nickel) | ≤ 1 ppm |
| Pb (Lead) | ≤ 2 ppm |
| V (Vanadium) | ≤ 1 ppm |
| Conforms to Ph.Eur. | Passes test |
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