Hanna Instruments HI 83266 - Manual (Page 17)

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• Remove the cuvette.
• Add the content of one packet of HI 93702-0
Copper Reagent. Replace the cap and shake gently
for 15 seconds.
• Reinsert the cuvette into the instrument.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait
for 45 seconds and press Read. When the timer ends the meter will perform the reading.
• The instrument displays the results in mg/L of copper.
INTERFERENCES
Interference may be caused by:
Silver
Cyanide
For samples overcoming buffering capacity of reagent (around pH 6.8), pH should be adjusted between
6 and 8.
Free Copper
SPECIFICATIONS
Range 0.00 to 5.00 mg/L
Resolution 0.01 mg/L
Accuracy ±0.02 mg/L ±4% of reading at 25 °C
Typical EMC ±0.01 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 575 nm
Method Adaptation of the USEPA approved method. The reaction between free copper and the
bicinchoninate reagent causes a purple tint in the sample.
REQUIRED REAGENTS
Code Description Quantity/test
HI 93702-0 Bicinchoninate 1 packet
HI 93702T-0 Decomplexing Agent 1 packet
REAGENT SETS
HI 93702T-01, HI 93702-01 Reagents for 100 tests
HI 93702T-03, HI 93702-03 Reagents for 300 tests
For other accessories see page 46.
MEASUREMENT PROCEDURE
• Select the Total Copper method using the procedure described in
the Method Selection section (see page 15).
• Fill the cuvette with 10 mL of unreacted sample (up to the mark)
and replace the cap.
• Place the cuvette into the holder and close the lid.
• Press the Zero key. The meter will show “-0.0-” when the meter is zeroed and ready for measurement.
TOTAL COPPER
Total Copper
10 mL