LaMotte SMART Spectro Spectrophotometer User Manual

Page 175

APPLICATION:

Drinking, surface, and saline waters; domestic and

industrial wastes.

RANGE:

0.00–10.00 ppm

MDL:

0.07 ppm

METHOD:

Ferric iron is reduced to ferrous iron and subsequently

forms a colored complex with for a quantitative measure

of total iron.

SAMPLE HANDLING

& PRESERVATION:

The sample container should be cleaned with acid and

rinsed with deionized water. Addition of acid to adjust

the sample. The pH 2-3 will prevent depositation of iron

on the container walls. Samples should be analyzed as

soon as possible.

INTERFERENCES:

Strong oxidizing agents interfere, as well as copper and

cobalt in excess of 5.0 ppm.

IRON, UDV

SMART Spectro Test Procedures 2.11

Test P

rocedures