Environmental Chemistry

Water Pollution


Drinking water:

  • Al, Fe → 0.2 ppm/mg dcm3 / mg/ lit
  • Cu → 3 ppm/mg dcm3 / mg/ lit
  • Zn → 5 ppm/mg dcm3 / mg/ lit
  • Mn → 0.05 ppm/mg dcm3 / mg/ lit
  • Cd → 0.005 ppm/mg dcm3 / mg/ lit
\tt F^{\ominus} → upto 1 to 2ppm
no problem		 > 2 ppm — brown teeth
> 10 ppm — damage bones
 Pb → Upto 50 ppb
no problem		 > Liver, kidney, respiratory system damage
\tt SO^{-2}_{4} → 500 ppm
no problem		  > Laxative effect
\tt NO^{-}_{3} → upto 50 ppm
no problem		  > Blue baby Syndrome
(methemoglobinemia)

 

View the Topic in this Video from 0:08 to 19:05

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