21
Aluminum
ALUMINUM
SPECIFICATIONS
Range 0.00 to 1.00 mg/L
Resolution 0.01 mg/L
Accuracy ±0.02 mg/L ±4% of reading at 25 °C
Typical EMC ±0.01 mg/L
Deviation
Light Source Tungsten lamp with narrow band interference filter @ 525 nm
Method Adaptation of the aluminon method. The reaction between aluminum and reagents
causes a reddish tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93712A-0 Ascorbic acid 1 packet
HI 93712B-0 Aluminon reagent 1 packet
HI 93712C-0 Bleaching powder 1 packet
REAGENT SETS
HI 93712-01 Reagents for 100 tests
HI 93712-03 Reagents for 300 tests
For other accessories see page 132.
MEASUREMENT PROCEDURE
• Select the
Aluminum
method using the procedure described in
the
Method Selection
section (see page 12).
• Fill a graduated beaker with 50 mL of sample.
• Add the content of one packet of HI 93712A-0 Ascorbic acid
and mix until completely dissolved.
• Add the content of one packet of HI 93712B-0 Aluminon
reagent and mix until completely dissolved. This is the sample.
• Fill two cuvettes with 10 mL of sample each (up to the mark).
10 mL
# 1
10 mL
# 2
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