Rotate the disc until colour match is obtained. Record disc reading that is displayed in the small viewing window
to the bottom right.
Free Chlorine concentration is the reading on the disc.
Total Chlorine Sample preparation:
•
Remove the cell from the
right side
of the comparator.
•
Remove the lid and add
one DPD No.3 tablet
straight from the foil to the water sample.
•
Crush the tablet using a clean stirring rod, until no large pieces are visible.
•
Fit rubber stopper to the cell and invert several times until the tablet is dissolved.
Analysis:
Summary of Contents for AquaSafe WSL25 Plus
Page 1: ...AquaSafe WSL25 Plus Water Safety Laboratory Instruction Manual...
Page 7: ...Section 3 AquaSafe Micro biological Incubator Instruction Manual...
Page 25: ...Section 4 AquaSafe Membrane Filtration Instruction Manual...
Page 41: ...Section 5 AquaSafe Turbidity Tube Instruction Manual...
Page 44: ...Section 6 AquaSafe Comparator Instruction Manual...
Page 58: ...Section 7 HydroLite HL101 Pocket pH Tester Instruction Manual...
Page 73: ...Section 8 HydroLite HL102 Pocket EC Tester Instruction Manual...