di-Natriumtetraborat, anhydrous ≥98%, AnalaR NORMAPUR®
Leverandør: VWR Chemicals
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
|
Farlig
|
Synonymer:
Borax, Sodium tetraborate
87097.230EA
521
DKK
87097.230
87097.290
87097.460
di-Natriumtetraborat, anhydrous ≥98%, AnalaR NORMAPUR®
di-Natriumtetraborat
Formel:
Na₂B₄O₇ Molekylvægt: 201.22 g/mol Kogepunkt: 1575 °C (1013 hPa) Smeltepunkt: 742 °C Massefylde: 2.38 g/cm³ (20 °C) Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00081185 CAS-nummer: 1330-43-4 EINECS: 215-540-4 REACH: 01-2119490790-32 Merck Index: 12,08733 |
Specifikationer Testresultater
Assay (acidimetric) | min. 98 % |
Insoluble in water | max. 0,05 % |
Chlorides (Cl) | max. 0,05 % |
Phosphates (as PO4) | max. 0,005 % |
Sulfates (SO4) | max. 0,05 % |
Calcium (Ca) | max. 0,02 % |
Copper (Cu) | max. 0,005 % |
Heavy metals (as Pb) | max. 0,005 % |
Iron (Fe) | max. 0,005 % |
Lead (Pb) | max. 0,005 % |
Magnesium (Mg) | max. 0,02 % |
Nickel (Ni) | max. 0,005 % |
Potassium (K) | max. 0,05 % |
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