L1 /
2
CH3041
TRACE METALS II
Predominant Inorganic Cu
Species in Water
(octahedrally coordinated H2O’s not shown)
eg. Cu2+(aq), [CuOH]+(aq) -
aqueous ions
CuS(s),
CuFeS2(s),
Cu2CO3(OH)2(s)-
suspended Cu3(CO3)2(OH)2(s),
Cu(OH)2(s),
CuO(s) solids
• Analytical methods still have problems
identifying all the species present in water.
At best they determine the major species present using electrochemical methods.
identifying all the species present in water.
At best they determine the major species present using electrochemical methods.
• Equilibrium
modelling using KSP solubility
constants and
measurements will often be used to
predict which species are present.
eg. computer program MINTEQA2
eg. computer program MINTEQA2
