Hanna-instruments HI 83225 Manual de usuario descargar pdf (Pagina 36)

PHOSPHORUS HIGH RANGE

SPECIFICATIONS

Range 0 to 100 mg/L

Resolution 1 mg/L

Accuracy ±5 mg/L ±4% of reading at 25 °C

Typical EMC Dev. ±1 mg/L

Light Source Tungsten lamp with narrow band interference filter @ 525 nm

Method Adaptation of the

Standard Methods for the Examination of Water and Wastewater,

edition,

Amino Acid method. The reaction between phosphorus and reagents

causes a blue tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93706A-0 Molybdate 10 drops

HI 93706B-0 Amino Acid Powder 1 packet

REAGENT SETS

HI 93706-01 Reagents for 100 tests

HI 93706-03 Reagents for 300 tests

For other accessories see page 57.

MEASUREMENT PROCEDURE

Note: for sample preparation follow the NUTRIENTS SOLUTION (HR) procedure at page 22.

• Select the

Phosphorus HR

method using the procedure

described in the

Method Selection

section (see page 12).

• Fill the 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.

• Add 10 drops of HI 937O6A-0 Molybdate reagent.

Phosphorus HR

10 mL

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 59 60

Sin comentarios

Hanna-instruments HI 83225 Manual de usuario Pagina 36