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METHOD PROCEDURE
8. METHOD PROCEDURE
8.1. TOTAL HARDNESS
REQUIRED REAGENTS
Code Description
Quantity
HI93719A-0
Magnesium Hardness Reagent A
0.5 mL
HI93719B-0
Magnesium Hardness Reagent B
0.5 mL
HI93719C-0
Magnesium Hardness Reagent C
1 drop
HI93719D-0
Magnesium Hardness Reagent D
1 drop
REAGENT SETS
HI93719-01
Magnesium Hardness Reagent - 100 tests
HI93719-03
Magnesium Hardness Reagent - 300 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
• Select the
Total Hardness
method using the procedure described in the METHOD
SELECTION section.
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 a graduated beaker up to 50 ml mark with the
sample.
• Add 0.5 mL of
HI93719A-0
Magnesium Hardness
Reagent A. Swirl to mix.
• Add 0.5 mL of
HI93719B-0
Magnesium Hardness
Reagent B. Swirl to mix. This is the reacted sample.
0.5 mL
0.5 mL