L1 /
9
CH3041
WATER QUALITY
Water quality
test kits.
eg. NO3-, Cr(VI), ...
test kits.
eg. NO3-, Cr(VI), ...
generally
use a
simple colour disc
for qualitative
indication of concs.
simple colour disc
for qualitative
indication of concs.
Colorimeters use a photometer to
measure the light absorption. A calibration
curve is generated using standards and the
[unknown] is measured against this.
curve is generated using standards and the
[unknown] is measured against this.
