Water Analysis (Leaving Cert Chemistry): Flashcards

Hydrogen ion concentration ($\text{H}^+$)

Glass electrode

Atomic Absorption Spectrometry

Concentration of specific metal ions

Characteristic

Lead ($Pb^{2+}$), cadmium ($Cd^{2+}$), mercury ($Hg^{2+}$)

Intensity of colour (correlates to substance concentration)

Coloured compound

Nitrates, phosphates, chlorine

$O_2$ needed by microorganisms to decompose organic matter

5 days at 20°C

High organic pollution and oxygen depletion