| Type |
제2인산나트륨(결정) |
제2인산나트륨(무수) |
| 공업용(KS M 1407) |
Appearance White Crystal |
Appearance White Powder |
| Purity 98 % min |
Purity 98 % min |
| PH(1% sol'n) 4.3~4.9 |
pH(1% sol'n) 4.3 - 4.9 |
| Na2O(P.P) 18.8 - 20.0 % |
Iron(Fe) 0.005 % max |
| Iron (Fe) 0.003 % max |
Water Inoslubles 0.1 % max |
| Water Insolubles 0.1 % max |
|
| 식품첨가물(식품첨가물공전) |
|
Appearance White Powder |
| Purity 98 % min |
| Identified to pass pH(1% sol'n) 9.0 - 9.6 |
| Water In solubles 0.2 % max |
| Arsenic(As2O3) 4 ppm max |
| Lead(Pb) 4 ppm max |
| Cadmium(Cd) 1 ppm max |
| Mercury(Hg) 1 ppm max |
| Fluoride(F) 10 ppm max |
| Loss on drying 2 % max |