Mustard
Mustard Solvent Deo
Mustard Solvent Deo is results after refining Mustard Solvent Crude by treating with sulphuric acid which precipitates impurities and colouring matter.
After settling, the oil is repeatedly washed with hot water and when thus refined, it is yellow in colour.
Refining with caustic soda removes free acids and the soap-stock obtained is used in the manufacture of soft soap.
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