Ammonium Metatungstate (CAS 12028-48-7) Comprehensive Guide 2025
Table of Contents
- Product Overview
- Technical Specifications & Comparison
- Industrial Applications
- Usage Guidelines
- Industry Case Studies
- Contact for Custom Solutions
Product Overview
Ammonium Metatungstate (AMT, CAS 12028-48-7) is a white crystalline powder with molecular formula (NH4)6H2W12O40·xH2O. Key properties:
| Parameter | Value |
|---|---|
| Purity | ≥99.9% |
| Density | 3.1 g/cm³ |
| Solubility | 700g/100ml (20°C water) |
| pH (5% solution) | 2.5-4.0 |
Technical Specifications & Comparison
| Grade | Industrial | High-Purity | Nanopowder |
|---|---|---|---|
| Tungsten Content | 72.5% min | 73.5% min | 74.0% min |
| Particle Size | 10-50μm | 5-20μm | 50-100nm |
| Applications | Catalyst Support | Electronics | Advanced Coatings |
Industrial Applications
Primary Use Cases:
- Petrochemical Catalysts: Creates high-surface-area tungsten compounds for FCC catalysts
- Electroplating: Produces wear-resistant tungsten alloy coatings
- Ceramic Manufacturing: Precursor for tungsten carbide production
- Photonics: Raw material for optical glass with high refractive index
Usage Guidelines
Recommended Handling Protocols:
- Storage: Keep in sealed containers at 15-30°C with ≤65% RH
- Mixing: Use deionized water at 40-50°C for optimal dissolution
- Safety: Wear NIOSH-approved P100 respirator when handling powder
- Disposal: Neutralize with calcium hydroxide before wastewater discharge
Industry Case Studies
Case 1: Catalyst Manufacturer in Germany
Challenge: Needed to reduce pore size distribution in FCC catalysts
Solution: Used AMT with 50nm particle size for uniform pore structure
Result: 18% increase in catalytic activity, 30% longer catalyst life
Case 2: Japanese Electronics Company
Challenge: Required low-impurity tungsten source for semiconductor layers
Solution: Implemented 99.999% AMT grade with ICP-MS certification
Result: Achieved 5nm process node compatibility
Contact for Custom Solutions
Request tailored specifications or technical support:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Submit your requirements for:
- Custom particle size distributions (10nm-100μm)
- Surface-modified AMT powders
- Bulk quantities (up to 20MT/month capacity)



评论
目前还没有评论。