Caustic Soda Flakes is highly effective in cleaning agents such as soap, detergents, and bleaching agents.
Uses
It is used as a cleansing agent and in the manufacturing of washing soda. Sometimes, sodium hydroxide is also used as a reagent in the laboratories.
It is used in the preparation of soda lime. It is used in the extraction of aluminium by purifying bauxite.
Specification
| SR. NO | TESTS | TEST METHOD | UNIT | SPECIFICATIONS |
|---|---|---|---|---|
| AS RECEIVED BASIS | ||||
| 1 | Sodium Hydroxide [ as NaOH] | IS – 252 : 2013 | % w / w | Min. 97.00 |
| 2 | Sodium Carbonate [ as Na2CO3 ] | IS – 252 : 2013 | % w/ w | Max. 00.40 |
| 3 | Chlorides [ as Cl ] | IS - 252 : 2013 | % w/ w | Max. 00.03 |
| 4 | Sulphates [ as SO4] | IS – 252 : 2013 | % w/ w | Max. 00.03 |
| 5 | Silicates [ as SiO2] | IS – 252 : 2013 | % w/w | Max. 00.02 |
| 6 | Iron [ as Fe] | IS – 252 : 2013 | ppm | Max. 20.00 |
| 7 | * Copper [ as Cu] | IS – 252 : 2013 | ppm | Max. 02.00 |
| 8 | Nickel [ as Ni ] | Sac –QA-FP- TM -10 | ppm | Max. 02.00 |
| 9 | * Manganese [ as Mn] | IS – 252 :2013 | ppm | Max. 01.00 |
| 10 | Chlorates & Per Chlorate [as NaClO3] | IS – 252 :2013 | ppm | Max. 10.00 |
| 11 | * Matter insoluble in Water | IS – 252 :2013 | % w/w | Max. 00.05 |
| 12 | Weight variation [in each bag] | SAC –QA-FP- TM - 13 | gm | + 0 to 200 |
| 13 | Visual Inspection [ Marking, stitching & Packing ] | “ | - | Complies |
| ON DRY BASIS | ||||
| 14 | Sodium Hydroxide [ as NaOH] | IS – 252 :2013 | % w/w | Min. 99.50 |