Free and Total Chlorine - Chl(0-5) and Chl(0-10)
Colour Change:
Two Ranges:
1
Rinse tube with sample
leaving a few drops.
3
Crush tablet to form a paste.
Colourless to Pink
0 – 5 mg/L use DPD 1 and DPD 3 Tablet
0 – 10 mg/L use DPD XF and DPD XT Tablet
Add one DPD 1 or one DPD
XF Tablet.
31
2