Manual

Reagents and Equipment
YSI Acidifying CD Tablets
YSI Chloridol Tablets
YSI 9300 or 9500 Photometer
Round Test Tubes, 10 ml glass (PT 595)
Measuring Syringe, 1 ml (PT 361)
Sample Container, 100/50/10 ml plastic (PT 510)
Test Calibration
Select Program Phot 46 Range 0 – 50 mg/l Cl
or Phot 51 Range 0 – 500 mg/l Cl
or Phot 101 Range 0 – 10,000 mg/l NaCl
or Phot 102 Range 0 – 50,000 mg/l NaCl
Test Instructions
For Testing Boiler Condensate and Softened Waters ONLY
Range 0 - 50 mg/l Cl
1 Fill test tube with sample to the 10 ml mark.
For Testing Natural Waters, Drinking Water, Swimming Pools and Boiler
Waters
Range: 0 - 500 mg/l Cl
Using the measuring syringe, take 1 ml of sample. Transfer to the test tube
and make-up to the 10 ml mark with deionised water.
For Testing Salt Chlorinator Treated Swimming Pools
Range: 0 - 10,000 mg/l NaCl
Using the measuring syringe, take 0.5 ml of sample. Transfer to the sample
container (PT 510) then make-up to the 100 ml mark with deionised water.
Cap tube and mix. Fill test tube to the 10 ml mark with solution from the
sample container.
For Testing Sea Water and Brackish Waters
Range: 0 - 50,000 mg/l NaCl
2 Using the measuring syringe, take 0.1 ml of sample. Transfer to the sample
container (PT 510) then make-up to the 100 ml mark with deionised water.
Cap tube and mix. Fill test tube to the 10 ml mark with solution from the
sample container.
3 Add one Acidifying CD tablet, crush and mix to dissolve.
4 Add one Chloridol tablet, allow the tablet to disintegrate for two minutes then
crush any remaining particles and mix. A cloudy solution indicates the presence
of chloride.