Hanna Instruments c 99 User Manual

99

SPECIFICATIONS

Range

0.000 to 1.000 mg/L

Resolution

0.001 mg/L

Accuracy

  ±0.010 mg/L ±7% of reading

Typical EMC

±0.001 mg/L

Deviation

Light Source

Tungsten lamp with narrow band interference

filter @ 575 nm

Method

Adaptation of the PAN method. The reaction

between nickel and the reagents causes an

orange tint in the sample.

REQUIRED REAGENTS

Code

Description

Quantity

HI 93740A-0

Phthalate-phosphate

2 packets

HI 93740B-0

0.3% PAN indicator

2 mL

HI 93740C-0

EDTA

2 packets

HI 93703-51

Dispersing Agent

4-6 drops (only when
necessary, see note)

REAGENT SETS

HI 93740-01 Reagents for 50 tests
HI 93740-03 Reagents for 150 tests
For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Nickel LR on the

secondary LCD by pressing PROGRAM W and V.
Note: for best results perform your tests between 20-24°C.

• Fill one graduated beaker with 25 mL of

deionized water (blank) and another one with
25 mL of sample.

• Add the content of one packet of HI 93740A

Phthalate-phosphate reagent to each beaker.
Cap and swirl gently until the reagent is
dissolved.
Note: If sample contains iron (Fe

3+

), it is

important that all powder be dissolved com-
pletely before continuing with following step.

Nickel LR