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Nickel LR
• Press Timer and the display will show a countdown prior to adding reagent C or, alternatively, wait
for 15 minutes. Add one packet of HI 93740C-0 EDTA reagent to each beaker, cap and swirl to mix
until completely dissolved.
• Fill one cuvette up to the mark with 10 mL of the blank.
• Place the cuvette into the holder and close the lid.
• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for
measurement.
• Fill a second cuvette up to the mark with 10 mL of the reacted sample.
• Insert the second cuvette into the instrument.
• Press Read to start the reading. The instrument displays the results in mg/L of nickel.
Note: a temperature above 30°C may cause turbidity. In this case, before zeroing and taking readings,
add 2-3 drops of Dispersing Agent (HI 93703-51) to each cuvette and swirl until turbidity is removed.
10 mL
10 mL
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