ITEMS |
STANDARD |
Appearance |
Light yellow transparentliquid |
Solid content |
40% Min |
Free alkali (as NaOH) |
0.05-0.5% |
PH |
9.5-12.5 |
Reducing Power |
6.50% Min |
Hue |
10 Max |
Density(20 ℃) |
1.17-1.19 g/cm3 |