Hanna-instruments HI 93710 Manual de usuario descargar pdf (Pagina 45)

• Fill a cuvet with 10 mL of the reacted

sample up to the mark and replace the

cap. This is the sample.

• Insert the sample into the instrument.

• Wait for 3 minutes and then press READ. "SIP" will appear

during measurement.

• The instrument directly displays concentration in µg/L of iron on

the Liquid Crystal Display.

NoteNote

Note: For better accuracy wash glassware with HCl 6N.

INTERFERENCES

Interference may be caused by:

Cadmium above 4.0 mg/L

Chromium

above 0.25 mg/L

Chromium

above 1.2 mg/L

Cobalt above 0.05 mg/L

Copper above 0.6 mg/L

Cyanide above 2.8 mg/L

Manganese above 50.0 mg/L

Mercury above 0.4 mg/L

Molybdenum above 4.0 mg/L

Nickel above 1.0 mg/L

Nitrite ion above 0.8 mg/L

Sample pH should be between 3 and 4 to avoid developed color to

fade or turbidity.

Iron LR

10 mL

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Hanna-instruments HI 93710 Manual de usuario Pagina 45