188
8.60. ZINC
SPECIFICATIONS
Range
0.00 to 3.00 mg/L (as Zn)
Resolution
0.01 mg/L
Accuracy
±0.03 mg/L ±3% of reading at 25 °C
Light Source
LED with narrow band interference filter @ 575 nm
Method
Adaptation of the Standard Methods for the Examination of Water and
Wastewater, 18th edition, Zincon method.
REQUIRED REAGENT
Code
Description
Quantity
HI93731A‑0
Zinc Reagent A
1 packet
HI93731B‑0
Zinc Reagent B
0.5 mL
REAGENT SETS
HI93731‑01
Reagents for 100 tests
HI93731‑03
Reagents for 300 tests
For other accessories see page 200.
MEASUREMENT PROCEDURE
• Select the
Zinc
method using the procedure described in the Method
Selection section (see page 18).
• Fill the graduated glass vial up to the 20 mL mark with the sample.
• Add one packet of
HI93731A‑0
Zinc Reagent A, close the
cylinder, and invert several times to mix until completely
dissolved.
• Fill a cuvette with 10 mL of the reacted sample (up to the
mark) and close the cap.
20 mL
10 mL
ZINC