Barium Carbonate GR 250 Grm
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 101714.0250
Stock: In Stock
Description
| Catalogue Number | 101714 |
Product Information
| CAS number | 513-77-9 |
| EC index number | 056-003-00-2 |
| EC number | 208-167-3 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | CBaO₃ |
| Chemical formula | BaCO₃ |
| Molar Mass | 197.34 g/mol |
| HS Code | 2836 60 00 |
Physicochemical Information
| Density | 4.43 g/cm3 (20 °C) |
| Melting Point | >1450 °C (decomposition) |
| pH value | 7 - 8 (0.016 g/l, H₂O, 16 °C) |
| Bulk density | 350 kg/m3 |
| Solubility | 0.02 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 418 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (complexometric, BaCO₃) | 99.0 - 101.0 % |
| Substances insoluble in hydrochloric acid | ≤ 0.015 % |
| Chloride (Cl) | ≤ 0.002 % |
| Sulphide (S) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Ca (Calcium) | ≤ 0.02 % |
| Fe (Iron) | ≤ 0.001 % |
| K (Potassium) | ≤ 0.005 % |
| Na (Sodium) | ≤ 0.02 % |
| Sr (Strontium) | ≤ 0.3 % |
| Total of alkali (water soluble) | ≤ 0.002 meq/g |
| Oxidizing Substances (as NO₃) | ≤ 0.005 % |