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Chlorine with liquid reagents

0.2 - 4.0 mg/l Cl2 Mark as favourite

Chlorine
Chlorine is the most popular and widely used of the disinfectants. The chlorination of water supplies, swimming pools and cooling tower waters are but a few of the everyday applications.

Free Chlorine (hypochlorous acid) reacts with Ammonia and certain Nitrogenous compounds to form Combined Chlorine. With Ammonia, the reaction produces chloramines which have very little disinfecting power, thus it is important to be able to determine the various fractions of Chlorine present at any one time.

DPD (NN Diethyl p Phenylene Diamine Sulphate) is the preferred reagent for the determination of Free, Combined and Total Chlorine. It is available in Tablet, Liquid and Powder form. A list of compatible instrumentation and test kits can be found below.

Total Chlorine can also be measured using a Potassium Iodide reagent. This can measure concentrations of up to 300 mg/l chlorine and is widely used in food manufacturing and industrial water treatment.

Applications

  • Disinfection Control
  • Waste Water Treatment
Product finder
Title Disc Parameter Reading Part Number Mark as favourite
3/40B 0.2, 0.4, 0.6, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0 234020
Title Packaging Unit Part Number Mark as favourite
DPD 1 Buffer Solution, Blue Bottle 15 ml 471010
DPD 1 Buffer Solution 100 ml 471011
DPD 1 Buffer Solution 1 pc. 471016
DPD 1 Reagent Solution, Green Bottle 15 ml 471020
DPD 1 Reagent Solution 100 ml 471021
DPD 1 Reagent Solution 1 pc. 471026
DPD 3 Solution, Red Bottle 15 ml 471030
DPD 3 Solution 100 ml 471031
DPD 3 Solution 1 pc. 471036
DPD Reagent Set 1 pc. 471056
DPD No. 1 Tablet / 100 511050BT
DPD No. 1 Tablet / 250 511051BT
DPD No. 1 Tablet / 500 511052BT
DPD No. 1 High Calcium Tablet / 100 515740BT
DPD No. 1 High Calcium Tablet / 250 515741BT
DPD No. 1 High Calcium Tablet / 500 515742BT
DPD No. 2 Neutral Tablet / 100 511530BT
DPD No. 2 Neutral Tablet / 250 511531BT
DPD No. 3 Tablet / 100 511080BT
DPD No. 3 Tablet / 250 511081BT
DPD No. 3 Tablet / 500 511082BT
DPD No. 3 High Calcium Tablet / 100 515730BT
DPD No. 3 High Calcium Tablet / 250 515731BT
DPD No. 3 High Calcium Tablet / 500 515732BT
Set DPD No. 1/No. 3 100 Pc. 100 each 517711BT
Set DPD No. 1/No. 3 250 Pc. 250 each 517712BT
Set DPD No. 1/No. 3 High Calcium 100 Pc. 100 each 517781BT
Set DPD No. 1/No. 3 High Calcium 250 Pc. 250 each 517782BT
DPD No. 4 Tablet / 100 511220BT
DPD No. 4 Tablet / 250 511221BT
DPD No. 4 Tablet / 500 511222BT
Title Online Download Type Format Language Direct Download
Validation Data DPD No.1 Free Chlorine Validation Data PDF (0.12 MB)
Title Part Number SDS Country Direct Download
DPD 1 Buffer solution 424442
DPD 1 Reagent Solution 424443
DPD 3 Reagent Solution 424444
DPD No_1 00511051
DPD No_1 High Calcium 00515741
DPD No_2 00511531
DPD No_3 00511081
DPD No_3 High Calcium 00515731
DPD No_4 00511221