Supplying Different Chemicals For Running A Demo Lab At Nstiam , Hooghly , different chemicals for the lab purpose are follows ( for one year ) , citric acid ( food grade ) , acetic acid ( glacial ) , pectin ( 200 grade ) for making jam , jelly etc . , sodium benzoate ( e-mark or loba ) ( preservative ) , potassium meta-bi-sulphite ( e-mark , loba ) ( preservative ) , orange red colour ( food grade ) , raspberry red colour ( food grade ) , lemon yellow colour ( food grade ) , apple green colour ( food grade ) , carmosine colour ( food grade ) , tomato red colour ( food grade ) , amaranth red colour ( food grade ) , erythrosine colour ( food grade ) , tartazine supra ( food grade ) , ponceau-4r colour ( food grade ) , orange paste ( food grade ) , tomato-chilli flavour & colour paste ( food grade ) , lemon essence ( food grade ) , orange essence ( food grade ) , pine apple essence ( food grade ) , green mango essence ( food grade ) , ripe mango essence ( food grade ) , vanila essence ( food grade ) , lichi essence ( food grade ) , calcium lactate ( food grade ) , magnecium oxide ( food grade ) , sodium bicarbonate ( food grade ) , carboxi methyl cellulose , baking powder , baking soda , methelated spirit , potas alam , butilated hydroxide toluene , potassium sorbate , xanthan gum , stumulcol , sodium hydroxide plate , ginger oil , cardamon oil , garlic oil , cinamon oil , green chilli extract , red chilli oil , paprica extract , ascorbic acid , tocopherol , butilated hydroxi anisole
