Hanna Instruments c 99 Manuel D’Utilisation

56

Cyanide

SPECIFICATIONS

Range

0.000 to 0.200 mg/L

Resolution

0.001 mg/L

Accuracy

  ±0.005 mg/L ±3% of reading

Typical EMC Dev. ±0.001 mg/L

Light Source

Tungsten lamp with narrow band interference

filter @ 610 nm

Method

Adaptation of the Standard Methods for the
Examination of Water and Wastewater, 18

, Pyridine-Pyrazolone method. The reac-

tion between cyanide and reagents causes a

blue tint in the sample.

REQUIRED REAGENTS

Code

Description

Quantity

HI 93714A-0

Reagent A

1 spoon

HI 93714B-0

Reagent B

1 packet

HI 93714C-0

Reagent C

1 packet

REAGENT SETS

HI 93714-01 Reagents for 100 tests

HI 93714-03 Reagents for 300 tests

For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Cyanide on the

secondary LCD by pressing PROGRAM W and V.

• Fill the cuvet with 10 mL of unreacted sample (up

to the mark) and replace the cap.

• 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 blink on the display.

• Wait for a few seconds and the display will

show “-0.0-”. Now the meter is zeroed

and ready for measurement.