Hanna-instruments HI 83211 Manuale Utente Scaricare il pdf (Pagina 38)

Iron LR

• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for

measurement.

• Remove the cuvette.

• Fill another graduated mixing cylinder up to the 25 mL

mark with the sample.

• Add the content of one packet of HI 93746-0 TPTZ reagent,

close the cylinder and shake vigorously for 30 seconds. This

is the reacted sample.

• Fill a cuvette with 10 mL of the reacted sample up to the

mark and replace the cap.

• Insert the sample into the instrument.

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

for 30 seconds and press Read. When the timer ends the meter will perform the reading. The

instrument displays concentration in

μμ

μg/L of iron.

25 mL

10 mL

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Hanna-instruments HI 83211 Manuale Utente Pagina 38