PASCO EZ-2339 Chlorine ezSample - Manual

Chlorine ezSample™(EZ-2339)
0.50 – 6.00 ppm
Instrument Set-up
The PASPort Water Quality Colorimeter is specifically designed to support PASCO’s ezSample chemical test kits. Set
up the PASPort Water Quality Colorimeter according to the equipment instructions. The calibration procedure is listed
in the equipment instruction manual. Calibration may be appropriate, depending on the application or intended use.
Choose the appropriate test routine from the PASPort Water Quality Colorimeter menu.
Safety Information
Read the Material Safety Data Sheet (MSDS) before performing this test procedure. Wear safety glasses and disposable
gloves.
Free Chlorine Test Procedure
1. Fill the sample cup to the 25 mL mark with the sample (fig 1).
Figure 1.
2. Immediately snap the tip by pressing the ampoule against the side of the cup. The ampoule will fill leaving a small
bubble to facilitate mixing (fig 2).
Figure 2.
3. Mix the contents of the ampoule by inverting it several times, allowing the bubble to travel from end to end each
time. Tap the bottom of the ampoule on a hard surface to cause any tiny bubbles that have collected on the ampoule
wall to rise to the top of the liquid in the ampoule. Wipe all liquid from the exterior of the ampoule.
4. Wait 1 minute for color development.
5. Read the concentration value of the ezSample ampoule in the PASPORT Water Quality Colorimeter.
Total Chlorine Procedure
1. Fill the sample cup to the 25 mL mark with the sample
2. Add 5 drops of A-2500 Activator Solution. Stir briefly. Wait 1 minute.
3. Perform the Free Chlorine Test Procedure using this pretreated sample.
® 1
012-10113C