Certificate of Analysis-COA
Analysed results |
Analysis projects | Indicator value | Measured value |
Content Cu(NO3)2· 3H2O % ≥ | 99.5 | 99.67 |
PH(50g/L,25°C) | 3.0-4.0 | 3.24 |
Water insoluble substance % ≤ | 0.005 | 0.0016 |
Chloride(As Cl ) % ≤ | 0.005 | 0.001 |
Sulphate(As SO4) % ≤ | 0.02 | 0.005 |
Ammonia does not precipitate (As Sulphate) % ≤ | 0.1 | 0.04 |
(Na) % ≤ | 0.02 | 0.00023 |
(K) % ≤ | 0.005 | 0.00021 |
(Zn) % ≤ | 0.003 | 0.00045 |
(Fe) % ≤ | 0.001 | 0.0007 |
Appearances |
| Blue Crystals |
Conclusion | Qualified |
Applications
1. Catalyst Precursors A high-purity copper source for preparing copper-based catalysts used in hydrogenation, oxidation and organic synthesis. Consistent assay and low impurity profile support reproducible catalyst activity and selectivity in chemical production.
2. Electroplating & Surface Treatment An effective copper salt for electroplating baths, electroless copper deposition and metal surface treatment. High solubility and consistent purity deliver uniform coating quality and reliable process performance.
3. Ceramics, Glass & Pigments A versatile colorant for ceramic glazes, glass and enamel, and a raw material for copper-based pigments. Stable color development under high temperatures ensures consistent, reproducible shades.
4. Wood Preservation A component of copper-based wood preservative formulations. Provides durable protection against decay and insect attack with effective copper fixation in treated timber.
Production Line
We operate 10+ production lines, backed by a well-stocked raw material warehouse.
Our workshop is equipped with automated machinery — ensuring high consistency and precision on every order, from trial samples to full container loads.
Every order follows a standardized workflow. Key quality control points are set at every stage.
Factory Area
Standardized Process Flow
Production Capacity
Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.