| Appearance |
Clear colourless liquid |
| S.G. at 20°C |
1.18 ± 0.01 |
| Sodium Hydroxide as NaOH, % |
25 ± 1 |
| Sodium Carbonate as Na2CO3, % |
0.05 Max. |
| Sodium Chloride as NaCl, % |
0.04 Max. |
| Sodium Sulphate as Na2SO4, ppm |
15.0 Max. |
| Iron as Fe, ppm |
10.0 Max. |
| Iron Oxide as Fe2O3, ppm |
10.0 Max. |
| Fe2 O3 ,ppm |
Trace |
| Calcium Oxide as Ca2+, ppm |
3.0 Max. |
| Magnesium Oxide as Mg2+, ppm |
< 1 |
|