Hanna Instruments c 99 Manuel D’Utilisation

134

Zinc

SPECIFICATIONS

Range

0.00 to 3.00 mg/L

Resolution

0.01 mg/L

Accuracy

±0.03 mg/L ±3% of reading

Typical EMC

±0.01 mg/L

Deviation
Light Source

Tungsten lamp with narrow band interference

filter @ 575 nm

Method

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

 Zincon method. The reaction between zinc

and the reagents causes an orange to a dark

violet tint in the sample.

REQUIRED REAGENT

Code

Description

Quantity

HI  93731A-0

Reagent A

1 packet

HI  93731B-0

Reagent B

0.5 mL

REAGENT SETS

HI 93731-01 Reagents for 100 tests
HI 93731-03 Reagents for 300 tests
For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Zinc on the secondary

LCD by pressing PROGRAM W and V.

• Fill one graduated mixing cylinder up to the

20 mL mark with the sample.

• Add the content of one packet of HI 93731A zinc reagent, close

the cylinder and invert several times to mix until dissolution is
complete.