| TT | Criteria | PRODUCT QUALITY | |||
| Type 32% | |||||
| 1 | Appearance | Transparent liquid,
Colorless or pale violet |
|||
| 2 | Sodium hydroxide (NaOH) Content | (32±0,5)% | 412÷440 g/l | ||
| 3 | Sodium carbonate (Na2CO3) Content | ≤ 1,5 ppm | ≤ 0,0015 g/l | ||
| 4 | Sodium chloride (NaCl) Content | ≤ 100 ppm | ≤ 0,1 g/l | ||
| 5 | Density at temperature 25oC | 1,330÷1,350 | |||
Caustic soda 32% -50%
Appellation
Common appellation: caustic soda, sodium hydroxide, sodium hydroxide;
International appellation(Generic Names): sodium hydroxide;
Molecular Formula: NaOH (Relative molecular M = 40.)







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