Chemical Examination of Water: 9 Tests | Water Engineering
Following tests are carried out in the chemical examination of water: 1. Presence of Solids 2. Biochemical Oxygen Demand 3. Chemical Oxygen Demand 4. Stability and Relative Stability 5. Chlorides and Sulphides 6. Chlorine Demand 7. Nitrogen 8. Determining pH-Value 9. Grease, Oil and Fats. Test # 1. Presence of Solids: It is most essential to know the quantity of [...]