Turbidity – LaMotte SMART3 Colorimeter User Manual

Page 287

TURBIDITY

ABSORPTION METHOD • NO REAGENTS REQUIRED

Turbidity is a measure of water clarity and is independent of color. Turbidity

is caused by undissolved and suspended solids. Mud, silt, algae, and

microorganisms can all cause turbidity. Turbidity is a gross measurement of water

quality.

APPLICATION:

Surface and industrial water for non-compliance

monitoring. (For compliance monitoring at low turbidity

levels, use a commercial nephelometer.)

RANGE:

0–500 FAU (Formazin Attenuation Units)

MDL:

3 FAU

METHOD:

Absorptimetric, 180° detector

SAMPLE HANDLING

& PRESERVATION:

Measure sample as soon as possible after collection.

INTERFERENCES:

Check for stray light interference (see page 69).

SMART3 Test Procedures 11.10

TURBIDITY

Test P

rocedures