47
10 mL
8.7. CALCIUM, MARINE
SPECIFICATIONS
Range 200 to 600 mg/L (as Ca
2+
)
Resolution 1 mg/L
Accuracy ±6% of reading at 25 °C
Light Source LED with narrow band interference filter @ 610 nm
Method Adaptation of the Zincon method.
REQUIRED REAGENTS
Code Description Quantity
HI7581 Calcium Reagent A 1 mL
HI7582 Calcium Reagent B 1 packet
REAGENT SETS
HI758‑26 Reagents for 25 tests
For other accessories see page 87.
MEASUREMENT PROCEDURE
• Select the Calcium Marine method using the procedure described in
the Method Selection section (see page 17).
• Add 1 mL of HI7581 Calcium Reagent A to the cuvette
using a 1 mL syringe.
• Use the plastic pipette to fill the cuvette to the 10 mL mark
with deionized water and replace the cap. Invert 3‑5 times
to mix.
• Place the cuvette into the holder and close the lid.
CALCIUM, MARINE
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