Potable water
- Created by: LunaShomeiRose
- Created on: 07-04-19 14:14
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- Potable Water
- = safe to drink
- Levels of dissolved salt not too high (pH 6.5 - 8.5). + no harmful microbes. No solid particles
- Not pure - could contain lots dissolved minerals
- Rainwater = freshwater
- Surface water (lakes/rivers)
- Groundwater (rocks - underground)
- Treated to be drinkable
- Filtration (wire mesh removes twigs. Gravel/sand beds remove other solids. Sterilised to kill bacteria/microbes)
- Seawater - distillation (heat, steam leaves salts. steam condense + collected)
- Practical: effects of distillation on seawater... Test pH. Without distillation, determine mass of dissolved salts (weigh basin, evaporate stuff, reweigh). Distil water then evaporate + find mass. Test pH again
- = safe to drink
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