Daffodil International University
Faculty of Engineering => Textile Engineering => Topic started by: Tanvir Ahmed Chowdhury on January 12, 2017, 03:00:21 PM
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Water must be colorless and odorless
pH of water should be ±7
Hardness of water must be less than 5 degree in german hardness scale
Amount of dissolved solids in water should be less than 1 mg/liter
Amount of solid deposits in water should be less than 50 mg/liter
Amount of organic substances in water should be less than 20 mg/liter
Amount of inorganic salts in water should be less than 500 mg/liter
Iron content in water should be less than 0.1 mg/litre
Copper content in water should be less than 0.005 mg/litre
Nitrate content in water should be less than 50 mg/litre
Nitrite content in water should be less than 5 mg/litre