Hanna-instruments HI 83266 Manual de usuario descargar pdf (Pagina 17)

32 33

• 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

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 23 24 25

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