di-Sodio tetraborato decaidrato ≥99.5%, Puriss. p.a. ISO, ACS sostanza tampone, Fluka™
Fornitore: Honeywell Chemicals
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Pericolo
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Synonyms:
Borax tetra, Sodium tetraborate decahydrate, Sodium Borate decahydrate
Formula:
Na₂B₄O₇·10H₂O Peso molecolare: 381.37 g/mol Punto di ebollizione: 320 Punto di fusione: 742 °C (anhy.) ≥ 62 °C (–H₂O of crystall.) Densità: 1.7 g/cm³ Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00149193 CAS Number: 1303-96-4 EINECS: 215-540-4 REACH: 01-2119490790-32 Merck Index: 13,08662 |
Risultati del test di specificazione
Assay | 99.5 - 105.0 % |
Water insoluble matter | Max. 0.001 % |
pH (5 %, 20°C) | 9.0 - 9.6 |
pH (0.01 m, 25°C) | 9.15 - 9.20 |
Arsenic (As) | Max. 0.0001 % |
Calcium (Ca) | Max. 0.005 % |
Copper (Cu) | Max. 0.0005 % |
Iron (Fe) | Max. 0.0005 % |
Lead (Pb) | Max. 0.0005 % |
Heavy metals (as Pb) | Max. 0.001 % |
Chloride (Cl) | Max. 0.001 % |
Phosphate (PO₄) | Max. 0.001 % |
Sulfate (SO₄) | Max. 0.005 % |
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