Potassium Tetraoxalate Dihydrate 25Grm
Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur®. pH 1.7 (12.6 g/l, H₂O, 25 °C).
Manufacturer: Merck
Catalog ID: 101961.0025
Stock: In Stock
Description
| Catalogue Number | 101961 |
| Synonyms | Potassium hydrogen oxalate-oxalic acid-water (1/1/2) |
Product Information
| CAS number | 6100-20-5 |
| EC index number | 607-007-00-3 |
| EC number | 204-874-6 |
| Hill Formula | C₄H₃KO₈ * 2 H₂O |
| Molar Mass | 254.20 g/mol |
| HS Code | 2917 11 00 |
Applications
| Application | Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur®. pH 1.7 (12.6 g/l, H₂O, 25 °C). |
Physicochemical Information
| Density | 1.84 g/cm3 (20 °C) |
| pH value | 1.7 (12.6 g/l, H₂O, 25 °C) |
| Bulk density | 860 kg/m3 |
| Solubility | 25 g/l |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| pH-value (25 °C) | 1.674 - 1.683 |
