Chlorine and Chloramines

Photometric test for Chlorine and Chloramines in Drinking Water

Colour Change: Colourless to Pink
Range:: 0 - 5 mg/L Cl₂
Technical Resource:: Chlorine and Chloramines Test Method, Technical Information

Fill to the 10 mL line with sample.

Use this to "blank" the instrument. Place in cell holder and press Blank.

Pour out sample leaving a few drops.

Add a DPD 1 tablet to those drops. Then, crush to form a paste.

Fill to the 10 mL line with sample.

Place the tube in the cell holder and press Measure to obtain the concentration of Free Chlorine. Then, press Continue.

Continue, using the same sample. Add a DPD 2 tablet and crush and stir.

Place the tube in the cell holder and press Measure to obtain the Monochloramine concentration. Then, press Continue.

Continue, using the same sample. Add a DPD 3 tablet and crush and stir.

Place in the cell holder and press Measure.

Allow timer to count down 2 minutes. The concentration of Dichloramine will then be displayed. Press Finish to scroll through all the results in this test.