User Guide

126

PHOSPHORUSPHOSPHORUS

PHOSPHORUS

Phosphorus

SPECIFICATIONS

Range 0.0 to 15.0 mg/L

Resolution 0.1 mg/L

Accuracy ±0.3 mg/L ±4% of reading

Typical EMC dev. ±0.2 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, 18

edition, Amino Acid method. The reaction be-

tween phosphorus and the 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 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Phosphorus on the

secondary LCD by pressing PROGRAM W and V.

• Fill the cuvet with 10 mL of unreacted

sample (up to the mark) and replace

the cap.

• Place the cuvet into the holder and

ensure that the notch on the cap is

positioned securely into the groove.

• Press ZERO and “SIP” will blink on the display.

10 mL