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METHOD PROCEDURES
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CALCIUM
11.4. CALCIUM
SPECIFICATIONS
Range 0 to 400 mg/L (as Ca
2+
)
Resolution 1 mg/L
Accuracy ±10 mg/L ±5% of reading at 25 °C
Light Source LED with narrow band interference filter @ 466 nm
Method Adaptation of the Oxalate Method
REQUIRED REAGENTS
Code Description Quantity
– Buffer Reagent 4 drops
HI93752A-Ca Calcium Reagent A 7 mL
HI93752B-Ca Calcium Reagent B 1 mL
REAGENT SETS
HI937521-01 Reagents for 50 tests
HI937521-03 Reagents for 150 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
• Select the Calcium method using the procedure described in the METHOD SELECTION section.
• Add 3 mL of unreacted sample to the cuvette using the
5 mL syringe.
• Use the pipette to fill the cuvette up to the 10 mL mark
with the HI93752A-Ca Calcium Reagent A.
• Add 4 drops of Buffer Reagent.
3 mL
10 mL
×4
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