21
METHOD PROCEDURE
8. METHOD PROCEDURE
REQUIRED REAGENTS
Code Description
Quantity
HI93740A-0
Nickel LR Reagent A
2 packets
HI93740B-0
Nickel LR Reagent B
2 mL
HI93740C-0
Nickel LR Reagent C
2 packets
HI93703-51
Dispersing Agent (optional reagent) 4-6 drops
REAGENT SETS
HI93740-01
Nickel LR Reagent - 50 tests
HI93740-03
Nickel LR Reagent - 150 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
Note:
If tutorial mode is disabled follow the measurement procedure below. If the
tutorial mode is enabled, press
Measure
and follow the messages on the screen.
• Fill one graduated beaker with 25 mL of
deionized water (blank) and another one with
25 mL of sample.
• Add one packet of
HI93740A-0
Nickel LR
Reagent A 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 is dissolved before
continuing.
• Add 1 mL of
HI93740B-0
Nickel LR
Reagent B to each beaker and swirl
to mix.
#1
#2
#1
#2
#1
1 mL
#2
1 mL