Potassium Carbonate GR 500 Grm
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 104928.0500
Stock: In Stock
Description
| Catalogue Number | 104928 |
| Replaces | PX1390; PX1390-1; PX1390-20 |
| Synonyms | potash |
Product Information
| CAS number | 584-08-7 |
| EC number | 209-529-3 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | CK₂O₃ |
| Chemical formula | K₂CO₃ |
| Molar Mass | 138.21 g/mol |
| HS Code | 2836 40 00 |
Physicochemical Information
| Density | 2.43 g/cm3 (20 °C) |
| Melting Point | 891 °C |
| pH value | 11.5 - 12.5 (50 g/l, H₂O, 20 °C) |
| Bulk density | 750 kg/m3 |
| Solubility | 1120 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric; calculated on dried substance) | ≥ 99.0 % |
| Assay (acidimetric) | ≥ 99.0 % |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.003 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Silicate (SiO₂) | ≤ 0.005 % |
| Total sulfur (as sulfate) | ≤ 0.003 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (ACS) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.002 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Na (Sodium) | ≤ 0.02 % |
| Pb (Lead) | ≤ 0.0005 % |
| Substances precipitated by ammonia | ≤ 0.01 % |
| Loss on drying (300 °C) | ≤ 1.0 % |
| Corresponds to ACS, ISO, Reag. Ph Eur |
