di-Sodium tetraborate decahydrate 99.0-103.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
Supplier: VWR Chemicals
27727.460EA
1420
EUR
27727.460
27727.297
27727.231
di-Sodium tetraborate decahydrate 99.0-103.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
di-Sodium tetraborate decahydrate
Specification Test Results
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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