Palintest DPD 1 XF Photometer Tablets Reagents

Home Swimming Pool Water Testing Palintest DPD 1 XF Photometer Tablets Reagents
In stock
SKU
90009591
Rating:
100% of 100
£26.35 £21.96

250 Tabs

  • Palintest DPD 1 XF
  • Photometer Tablets
  • Palintest Code: AP013XF
QtyPriceSaving
6+£20.795%
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Palintest Photometer DPD 1 XF Test Tablets

Palintest DPD High Range Photometer Tablets - Test tablets for photometers.

DPD1 - To Test Free Chlorine Levels
AP013 DPD1-XF (HR) Tablets x 250 - High Range 0-10ppm Free Chlorine Levels - Only to be used with High Range Photometers.

DPD3 - To Test Combined levels
AP033/1 DPD3-XT (HR) Tablets x 250 - High Range 0-10ppm Combined Levels - Only to be used with High Range Photometers.

This Palintest Chlorine/10 test uses the DPD method developed by Dr A T Palin and now internationally recognised as the standard method of testing for chlorine and other disinfectant residuals. In the Palintest DPD method, the reagents are provided in tablet form for maximum convenience and simplicity of use.
Free chlorine reacts with diethyl-p-phenylene diamine (DPD) in buffered solution to produce a pink coloration. The intensity of the colour is proportional to the free chlorine concentration.
Subsequent addition of excess potassium iodide induces a further reaction with any combined chlorine present. The colour intensity is now proportional to the total chlorine concentration; the increase in intensity represents the combined chlorine concentration. In this way, it is possible to differentiate between free and combined chlorine present in the sample. The colour intensities are measured using a Palintest Photometer.
The DPD Oxystop tablet is added after measurement for free chlorine but before the DPD XT tablet. It prevents the reaction between shock treatment chemicals and potassium iodide which would give a positive response.

SKU
90009591
Title
Palintest DPD 1 XF Photometer Tablets Reagents
Brand
Palintest
Colour
Size
250 Tabs
Commodity
3822000000
Pack Qty
1
Weight
0.05
Category
Swimming Pool Water Testing
Variation
DPD1
BWP861-XF
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