Hanna Instruments c 99 Manuel D’Utilisation

21

Aluminum

SPECIFICATIONS

Range

0.00 to 1.00 mg/L

Resolution

0.01 mg/L

Accuracy

±0.02 mg/L ±4% of reading

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 reac-

tion 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 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Aluminum on the

secondary LCD by pressing PROGRAM W and V.

• Fill a graduated beaker with 50 mL of sample.

• Add the content of one packet of HI 93712A

Ascorbic acid reagent and mix until dissolution is
complete.

• Add the content of one packet of HI 93712B

Aluminon reagent and mix until dissolution is
complete. This is the sample.