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HI 93745

Chlorine/pH/Iron LR/Hardness

Light Source Light Emitting Diode @ 555 nm

Method For pH, Phenol red method. The reaction be-

tween pH and the reagent causes a red tint in

the sample.

For Chlorine, adaptation of the EPA recom-

mended DPD method 330.5. The reaction

between chlorine and the reagent causes a pink

tint in the sample.

For Iron, Adaptation of the TPTZ Method. The

reaction between iron and the reagent causes a

blue tint in the sample.

For Hardness, adaptation of the Standard Meth-

ods for the Examination of Water and

Wastewater, 18

edition, Calmagite/colorimet-

ric method. The reaction between hardness and

reagents causes a maroon tint in the sample.

REQUIRED REAGENTS

Code Unit Description Quantity

HI 93710-0 pH Phenol red 5 drops

HI 93701-0 Free Cl

DPD 1 packet

HI 93711-0 Total Cl

DPD 1 packet

HI 93746-0 Iron LR TPTZ Reagent 2 packets

HI 93719A-0 Hardness Ca & Mg indicator 0.5 mL

HI 93719B-0 Hardness Alkali solution 0.5 mL

HI 93719C-0 Hardness EDTA solution 1 drop

HI 93719D-0 Hardness EGTA solution 1 drop

Liquid version (chlorine):

HI 93701A-F Free Cl

DPD1 indicator 3 drops

HI 93701B-F Free Cl

DPD1 buffer 3 drops

HI 93701A-T Total Cl

DPD1 indicator 3 drops

HI 93701B-T Total Cl

DPD1 buffer 3 drops

HI 93701-C Total Cl

DPD3 solution 1 drop

REAGENT SETS

HI 93710-01 Reagents for 100 pH tests

HI 93710-03 Reagents for 300 pH tests

HI 93701-01 Reagents for 100 free chlorine tests

HI 93701-03 Reagents for 300 free chlorine tests

HI 93711-01 Reagents for 100 total chlorine tests

HI 93711-03 Reagents for 300 total chlorine tests

HI 93701-F Reagents for 300 free chlorine tests (liquid version)

Brand	Hanna Instruments
Model	MULTIPARAMETER ION SPECIFIC METERS
Category	Measuring Instruments
Language	English

Hanna Instruments MULTIPARAMETER ION SPECIFIC METERS User Manual

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Hanna Instruments MULTIPARAMETER ION SPECIFIC METERS Specifications

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