Hanna-instruments HI 83211 Instrukcja Użytkownika Pobierz pdf (Strona 26)

• Reinsert the cuvette into the instrument.

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

for 6 minutes and press Read. When the timer ends the meter will perform the reading. The instrument

displays concentration in

μμ

μg/L of chromium VI.

• Press  or  to access the second level functions.

• Press the Chem Frm key to convert the result in μg/L of Chromate (CrO

¯) and Dichromate (Cr

¯).

• Press  or  to return to the measurement screen.

INTERFERENCES

Interference may be caused by:

Vanadium above 1 ppm. However, waiting 10 minutes before reading, the interference is removed.

Iron above 1 ppm

Mercurous and mercuric ions cause slight inhibition of the reaction.

Chromium VI LR

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 67 68

Brak uwag

Hanna-instruments HI 83211 Instrukcja Użytkownika Strona 26