di-Natriumtetraborat Decahydrat 99,0-103,0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytisches Reagens
Lieferant: VWR Chemicals
|
Gefahr
|
27727.460EA
1380
EUR
27727.460
27727.297
27727.231
di-Natriumtetraborat Decahydrat 99,0-103,0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytisches Reagens
di-Natriumtetraborat Decahydrat
Formel:
Na₂B₄O₇·10H₂O Molecular Weight: 381,37 g/mol Siedepunkt: 320 °C (1013 hPa) Schmelzpunkt: 75 °C Dichte: 1,73 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00149193 CAS-Nummer: 1303-96-4 EINECS: 215-540-4 REACH: 01-2119490790-32 Merck Index: 13,08662 |
Spezifikation Testergebnisse
Assay | 99.0 - 103.0 % |
Appearance of solution | Passes test Ph.Eur. |
CO3 (Carbonate) | Passes test |
Identification A | Passes test Ph.Eur. |
Identification B | Passes test Ph.Eur. |
Identification C | Passes test Ph.Eur. |
pH (20°C; 4 %) | 9.0 - 9.6 |
Heavy metals (as Pb) | Max. 5 ppm |
Insolubility in water | Max. 50 ppm |
Cl (Chloride) | Max. 5 ppm |
NH4 (Ammonium) | Max. 10 ppm |
PO4 (Phosphate) | Max. 10 ppm |
SO4 (Sulphate) | Max. 20 ppm |
As (Arsenic) | Max. 2 ppm |
Ca (Calcium) | Max. 100 ppm |
Fe (Iron) | Max. 5 ppm |
Conforms to Reag. Ph.Eur. | Passes test |
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