Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-10-09 03:17
108
Company Profile
By certification [File Integrity]
Contact: chinary(Ms.)
Email:
Telephone:
Area: Beijing
Address: A1-A2, 5F, Times Square, Wenzhou, Zhejiang, China (325000)
Website: http://chinary.longgu006.com/
| Specifications | 2nd grade | 1st grade | CP(chemical purity) | AR | USP/FCC grade |
| NaF | 98.0% min. | 99.0% min. | 98.0% min. | 98.0% min. | 98.0-102.0% |
| Fluoride as F | / | / | / | / | 44.0-46.0% |
| Free acid (HF) | 0.1% max. | 0.1% max. | / | / | / |
| SO4 | 0.3% max. | 0.1% max. | 0.05% max. | 0.03% max. | / |
| SiO2 | 0.4% max | 0.4% max | / | / | / |
| Na2CO3 | 0.5% max. | 0.1% max. | / | / | / |
| Insoluble Matter in Water | 0.7% max. | 0.3% max. | 0.1% max. | 0.05% max. | / |
| Moisture | 0.5% max. | 0.2% max. | / | / | / |
| Heavy Metal (as Pb) | / | 0.005% max | 0.005% max | 0.003% max. | 0.003% max. |
| Acidity as H | 0.1% max | 0.1% max | 10 mmol/100g % max. | 5 mmol/100g % max. | / |
| Chloride | 0.02% max | 0.01% max. | 0.01% max. | 0.005% max. | 0.008% max. |
| Fe | / | / | 0.005% max. | 0.005% max. | 0.002% max. |
| Arsenic as As2O3 | / | / | / | / | 0.0002% max. |
| Loss on Drying | / | / | / | / | 1.0% max. |
| Alkalinity as OH | / | / | 4 mmol/100g % max. | 2 mmol/100g % max. | Passes test |
| Fluosilicate (SiF6) | / | / | 1.2% max. | 0.6% max. | Passes test |
| Solubility test, 2% (W/V) water solution | / | / | Passes test | Passes test | Passes test |
| Texture | / | / | / | / | Passes test |
| Identification tests A & B | / | / | / | / | Passes test |