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125
SPECIFICATIONS
Range
0 to 100 mg/L
Resolution
5 mg/L
Accuracy
±5 mg/L ±3% of reading at 25 °C
Light Source
Tungsten lamp with narrow band interference filter @ 466 nm
Method
Sulfate is precipitated with barium chloride crystals. Light absorbance of the suspension
is measured.
REQUIRED REAGENTS
Code
Description
Quantity
HI 93751-0
Indicator reagent
1 packet
REAGENT SETS
HI 93751-01
Reagents for 100 tests
HI 93751-03
Reagents for 300 tests
For other accessories see page 132.
MEASUREMENT PROCEDURE
Note
: for sample preparation follow the COLORED OR TURBID SAMPLES procedure on page 17.
• Select the
Sulfate method using the procedure described
in the
Method Selection section (see page 12).
• Fill a cuvette with 10 mL of unreacted sample (up to
the mark) and replace the cap.
• Place the cuvette into the holder and close the lid.
• Press the
Zero
key. The display will show “
-0.0-
” when the meter is zeroed and ready for
measurement.
• Remove the cuvette.
Sulfate
SULFATE
10 mL