134
ZINC
ZINC
ZINC
ZINC
ZINC
Zinc
SPECIFICATIONS
Range
0.00 to 3.00 mg/L
Resolution
0.01 mg/L
Accuracy
±0.03 mg/L ±3% of reading
Typical EMC
±0.01 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference
filter @ 575 nm
Method
Adaptation of the
Standard Methods for the
Examination of Water and Wastewater, 18
th
edition,
Zincon method. The reaction between zinc
and the reagents causes an orange to a dark
violet tint in the sample.
REQUIRED REAGENT
Code
Description
Quantity
HI 93731
A
-0
Reagent A
1 packet
HI 93731
B
-0
Reagent B
0.5 mL
REAGENT SETS
HI 93731-01
Reagents for 100 tests
HI 93731-03
Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Zinc on the secondary
LCD by pressing PROGRAM
W
and
V
.
• Fill one graduated mixing cylinder up to the
20 mL mark with the sample.
• Add the content of one packet of HI 93731A zinc reagent, close
the cylinder and invert several times to mix until dissolution is
complete.
20 mL