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6 Cards in this Set

  • Front
  • Back
Heavy metals in waterways and its damage
Lead mercury-->human poisoning
Other heavy metals and its damage
Copper zinc-->be toxic in large doses
Why heavy metals can enter the waterways?
Due to industrial and urban runoff
Detrimental effects of heavy matals
1.cancer / organ damage / nervous system damage
2.Childhood exposure-->learning difficulties /cause brain damage
How to monitor?
1.precipitation
2.flame test

quantitative methods
1. volumetric
2. gravimetric analysis
3.Atomic absorption spectroscopy (AAS)
ADV / DISADV of regular testing of water
1.DISADV: expensive and time consuming
2ADV: reduce risk of organisms suffering