Chlorine tests are now available for all requirements of works control and field testing, ranging from the simple determination of free available chlorine to the differential analysis of complex mixtures.
The Principle tablets of the DPD System are numbered 1 to 4 as follows:
DPD No.1 DPD Indicator plus buffer
DPD No.2 Stabilised KI for monochloramine activation
DPD No3. Stabilised KI for dichloramine activation
DPD No4. All reagents in a single tablet
Selecting the right procedure for what you want to measure:
For Free available Chlorine Use DPD NO.1
For Free and Combined Chlorine Use DPD NO,s 1 and DPD No. 3
For Complete Differentiation Use Tablets 1, 2 and 3
For total available Chlorine Use Tablets No. 4
For more information please complete the form below: