Specification
| Grade | Technical | Pure | ACS |
Typical | Ca(NO3)2.4H2O | 98-99 % min. | 99 % min. | 99-103 % |
Mg (max) | 0.50% | 0.50% | 0.005% | |
pH | 5 - 7.5 | 5 - 7.5 | 5 - 7.5 | |
Trace | Pb(max) | 20 ppm | 5 ppm | 0.0005% |
NH4 (max) | 50 ppm | 30 ppm | 7 ppm | |
SO4 (max) | 50 ppm | 30 ppm | 0.002% | |
Cl (max) | 50 ppm | 10 ppm | 0.005% | |
Fe (max) | 10 ppm | 7 ppm | 0.0005% | |
Na (max) | - | 160 ppm | 160 ppm | |
Ba (max) | - | - | 0.005% | |
Nitrites | Not Detected | Not Detected | Not Detected | |
Insolubles (max) | 400 ppm | 200 ppm | 50 ppm |