Tungstosilic Acid Hydrate 25Grm
for analysis EMSURE®
Manufacturer: Merck
Catalog ID: 100659.0025
Stock: In Stock
Description
| Catalogue Number | 100659 |
| Synonyms | Silicotungstic acid, Wolframosilicic acid |
| Description | Tungstosilicic acid hydrate |
Product Information
| CAS number | 12027-43-9 |
| EC number | 234-719-8 |
| Hill Formula | H₄O₄₀Si W₁₂ * x H₂O |
| Chemical formula | H₄[Si(W₃O₁₀)₄] * x H₂O |
| Molar Mass | 2878.17 g/mol |
| HS Code | 2811 19 80 |
Physicochemical Information
| Bulk density | 200 - 500 kg/m3 |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Identity | passes test |
| Chloride (Cl) | ≤ 20 ppm |
| Sulphate (SO₄) | ≤ 50 ppm |
| Total nitrogen (N) | ≤ 20 ppm |
| Heavy metals (as Pb) | ≤ 20 ppm |
| Fe (Iron) | ≤ 10 ppm |
| K (Potassium) | ≤ 200 ppm |
| Na (Sodium) | ≤ 200 ppm |
| Loss on ignition (750 °C) | ≤ 16 % |
