LaMotte DPD CHLORINE TEST KIT SL-1 User Manual
Page 3
TO TAL RE SID UAL CHLO RINE & COM BINED CHLO RINE
1.
Rinse test tube (0106) with sample water. Fill to 5 mL line with
sample water.
2.
Add one *Chlorine DPD #1R Tablet (6999A). Cap and mix until
tablet disintegrates.
3.
Immediately insert test tube into the Octa-Slide Viewer (1100).
Match sample color to a color standard. Record as ppm Free
Available Chlorine.
4.
Add one *Chlorine DPD #3R Tablet (6905A) to the same sample.
Cap and mix until disintegrated.
5.
Insert test tube into Octa-Slide Viewer (1100). Match sample color
to a color standard. Record as ppm Total Residual Chlorine.
Combined Chlorine, ppm =
Total Residual Chlorine - Free Available Chlorine
TO TAL RE SID UAL CHLO RINE
The *Chlorine DPD #4R Tablet determines Total Residual Chlorine and
is used where a differentiation in the type of chlorine is not required.
1.
Rinse the test tube (0106) with sample water. Fill to 5 mL line with
sample water.
2.
Add one *Chlorine DPD #4R Tablet (6906A). Cap and mix until
tablet disintegrates.
3.
Insert test tube into Octa-Slide Viewer (1100). Match sample color
to a color standard. Record as ppm Total Residual Chlorine.