Hanna Instruments HI 83203 Instruction Manual

26 27 Copper HR• Remove the cuvette.• Add the content of one packet of HI 93702-0 Bicinchoninate. Replacethe 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 themeasurement or, alternatively, wait for 45 seconds and pressREAD. When the timer ends the meter will perform the reading.• The instrument displays the results in mg/L of copper.INTERFERENCESInterference may be caused by:SilverCyanideFor samples overcoming buffering capacity of reagent (around pH 6.8), pH should be adjusted between 6and 8.Copper HRCOPPER HIGH RANGESPECIFICATIONSRange 0.00 to 5.00 mg/LResolution 0.01 mg/LAccuracy ±0.02 mg/L ±4% of readingTypical EMC ±0.01 mg/LDeviationLight Source Tungsten lamp with narrow band interference filter @ 575 nmMethod Adaptation of theEPA method. The reaction between copper and the bicinchoninatereagent causes a purple tint in the sample.REQUIRED REAGENTSCode Description QuantityHI 93702-0 Bicinchoninate 1 packetREAGENT SETSHI 93702-01 Reagents for 100 testsHI 93702-03 Reagents for 300 testsFor other accessories see page 46.MEASUREMENT PROCEDURE• Select theCopper HR method using the procedure described intheMethod Selection section (see page 11).• 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 zeroedand ready for measurement.10 ml