Hanna Instruments c 99 User Manual

100

Nickel LR

• Add 1 mL of HI 93740B 0.3% PAN

solution to each beaker, cap and
swirl to mix.

• Press TIMER and the display will show a countdown prior to

adding reagent C or, alternatively, wait for 15 minutes. Then, in
both cases, add one packet of HI 93740C EDTA reagent to each
beaker, cap and swirl to mix until complete dissolution.

• Fill one cuvet up to the mark with 10 mL of

the blank.

• Place the cuvet into the holder and

ensure that the notch on the cap is
positioned securely into the groove.

• Press ZERO and "SIP" will appear on the display.

• Wait for a few seconds and the display will

show "-0.0-". Now the meter is zeroed and
ready for measurement.

• Fill a second cuvet up to the mark with 10 mL

of the reacted sample.

• Insert the second cuvet into the in-

strument.