Potassium Sodium Tartrate Tetrahydrate GR 1kg
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 108087.1000
Stock: In Stock
Description
| Catalogue Number | 108087 |
| Replaces | PX1590; PX1590-1; PX1590-2; PX1590-5; PX1590-11; |
| Synonyms | Sodium potassium tartrate, Tartaric acid potassium sodium salt |
Product Information
| CAS number | 6381-59-5 |
| EC number | 206-156-8 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | C₄H₄KNaO₆ * 4 H₂O |
| Molar Mass | 282.23 g/mol |
| HS Code | 2918 13 00 |
Physicochemical Information
| Melting Point | 70 - 80 °C |
| pH value | 7.0 - 8.5 (50 g/l, H₂O, 25 °C) |
| Bulk density | 1000 kg/m3 |
| Solubility | 630 g/l |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric) | 99.0 - 102.0 % |
| Insoluble matter | ≤ 0.005 % |
| pH-value (5 %; water; 25 °C) | 7.0 - 8.5 |
| Chloride (Cl) | ≤ 0.0005 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.004 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| NH₄ (Ammonium) | ≤ 0.002 % |
| Pb (Lead) | ≤ 0.0005 % |
| Corresponds to ACS,ISO,Reag. Ph Eur |
