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USE OF MORDANTS
DESCRIPTION AND USE OF VEGETABLE
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50 per cent acetic acid agent alkalis alum aluminium sulphate art of dyeing bath containing bath is prepared bleaching brown shade calcium carbonate catechu caustic soda cent oxalic acid cent potassium dichromate cent solution chemical chromium cloth cochineal colouring matter decoction dissolved dried dye-bath dyed material dyeing dyeing of wool dyeing wool dyer dyestuff fast to light fustic gradually raised half an hour indigo carmine insoluble iron salt lead acetate lime liquor litre logwood madder metallic salts method of dyeing mordanting mordanting bath myrobalan obtained orange oxalic acid oxide oxidising Pakistan pink potassium dichromate potassium ferrocyanide powder precipitation produced properties quantity quercitron bark scouring soap soda ash sodium sodium bisulphite soluble in water Specific gravity squeezed stannous chloride substance sulphuric acid tannic acid tannin tartar temperature Turkey Red weight wool wool and silk wool fibre wool is boiled wool is entered yarn