Hanna Instruments HI 83208 - Manual (Page 39)

39 Manganese HR
• Add the content of one packet of HI 93709B-0 Sodium
Periodate reagent. Replace the cap and invert to mix with
gently movements for 2 minutes.
• Reinsert the cuvette into the instrument.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait
for 1 minute and 30 seconds and press Read. When the timer ends the meter will perform the reading.
The instrument displays the results in mg/L of manganese.
• Press or to access the second level functions.
• Press the Chem Frm key to convert the result in mg/L of potassium permanganate (KMnO
4
) and
permanganate (MnO
4
¯).
• Press or to return to the measurement screen.
INTERFERENCES
Interference may be caused by:
Calcium above 700 mg/L
Chloride above 70000 mg/L
Iron above 5 mg/L
Magnesium above 100000 mg/L.