Hanna Instruments HI 83208-2008 - Manual (Page 15)

28 29 Copper LR
COPPER LOW RANGE
SPECIFICATIONS
Range 0 to 1000 μg/L
Resolution 1 μg/L
Accuracy ±10 μg/L ±5% of reading
Typical EMC ±1 μg/L
Deviation
Light Source Tungsten lamp with narrow band interference filter @ 575 nm
Method Adaptation of the EPA method. The reaction between copper and the bicinchoninate
reagent causes a purple tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93747-0 Bicinchoninate 1 packet
REAGENT SETS
HI 93747-01 Reagents for 100 tests
HI 93747-03 Reagents for 300 tests
For other accessories see page 73.
MEASUREMENT PROCEDURE
• Select the Copper LR method using the procedure described in
the Method Selection section (see page 12).
• 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 ZERO key. The meter will show “-0.0-” when the meter is zeroed
and ready for measurement.
10 ml
Copper HR
• Remove the cuvette.
• Add the content of one packet of HI 93702-0 Bicinchoninate. Replace
the cap and shake gently for about 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.