f33ea3c8_LIBRARY_AND_INFORMATION_CENTRE__Food_Article
[Adulterant] White powdered stone Stir a spoonful of sample salt in water. Chalk will make the solution white and other insoluble impurities will setlle down. [Food Article] 
Common Salt
PREVENTING FOOD ADULTERATION - N.D.R.K. NURSING LIBRARY AND INFORMATION CENTRE
Food Article