Hanna Instruments HI 83099 User Manual

Page 41

Nickel HR

SPECIFICATIONS

Range

0.00 to 7.00 g/L

Resolution

0.01 g/L

Accuracy

±0.07 ±4% of reading at 25 °C

Typical EMC

±0.02 g/L

Deviation
Light Source

Tungsten lamp with narrow band interference filter @ 575 nm

Method

Adaptation of the photometric method. The reaction between nickel and the reagent
causes a blue tint in the sample.

REQUIRED REAGENTS

Code

Description

Quantity

HI 93726-0

Powder reagent

1 packet

REAGENT SETS

HI 93726-01 Reagents for 100 tests
HI 93726-03 Reagents for 300 tests
For other accessories see page 132.

MEASUREMENT PROCEDURE

• Select the

Nickel HR method using the procedure described in the Method Selection section (see page 12).

• Fill the cuvette up to the mark with 10 mL of unreacted sample and

replace the cap.

• Place the cuvette into the holder and close the lid.

• Press the

Zero key. The display will show “-0.0-” when the meter is zeroed and ready for

measurement.

10 mL

NICKEL HIGH RANGE

Molybdenum

• Press

Timer and the display will show the countdown prior to the measurement or, alternatively, wait

for five minutes and press

Read. When the timer ends the meter will perform the reading. The

instrument displays concentration in

mg/L of molybdenum.

• Press ▲ or ▼ to access the second level functions.
• Press the

Chem Frm key to convert the result in mg/L of molybdate (MoO

¯) and sodium molybdate

(Na

MoO

• Press ▲ or ▼ to return to the measurement screen.

INTERFERENCES

Interference may be caused by:
Aluminum above 50 mg/L
Chromium above 1000 mg/L
Copper above 10 mg/L
Iron above 50 mg/L
Nickel above 50 mg/L
Nitrite, as NO

Sulfate above 200 mg/L
Highly buffered samples or with extreme pH may exceed the buffering capacity of the reagents.