beautypg.com

Hanna Instruments HI 83225 User Manual

Page 49

background image

49

CALCIUM

SPECIFICATIONS

Range

0 to 400 mg/L

Resolution

10 mg/L

Accuracy

±10 mg/L ±5% of reading at 25 °C

Light Source

Tungsten lamp with narrow band interference filter @ 466 nm

Method

Adaptation of the Oxalate method.

REQUIRED REAGENTS

Code

Description

Quantity

-

Buffer Reagent

4 drops

HI 93752A-0 Ca Calcium Buffer Reagent

7 mL

HI 93752B-0 Ca Calcium Oxalate Reagent

1 mL

REAGENT SETS

HI 937521-01

Reagents for 50 tests

HI 937521-03

Reagents for 150 tests

For other accessories see page 57.

MEASUREMENT PROCEDURE

Note: for sample preparation follow the IRRIGATION WATER (LR) procedure at page 20.
• Select the

Calcium method using the procedure described in the Method Selection section (see page 12).

• Using the 5 mL syringe add exactly 3.00 mL of sample to the cuvette.

• Use the pipette to fill the cuvette up to

the 10 mL mark with the HI 93752A-0

Calcium Buffer Reagent.

• Add 4 drops of Buffer Reagent.

Calcium

3 mL of sample