Hanna-instruments HI 83211 Uživatelský manuál stáhnout pdf (Strana 34)

Iodine

• Reinsert the cuvette into the instrument.

• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait

for 2 minutes and 30 seconds and press Read. When the timer ends the meter will perform the

reading.

• The instrument displays concentration in mg/L of iodine.

INTERFERENCES

Interference may be caused by: Bromine, Chlorine, Ozone, Oxidized forms of Chromium and Manganese.

In case of water with hardness greater than 500 mg/L CaCO

, shake the sample for approximately

2 minutes after adding the reagent.

In case of water with alkalinity greater than 250 mg/L CaCO

or acidity greater than 150 mg/L CaCO

the color of the sample may develop only partially, or may rapidly fade. To resolve this, neutralize the

sample with diluted HCl or NaOH.

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Hanna-instruments HI 83211 Uživatelský manuál Strana 34