YSI 900 - Chlorine, With Powder Pack (Cl 8)

14
Methods
Chlorine with Powder Pack: 0.1 – 8.0 mg/l
a) Free Chlorine
Fill a clean vial (10 mm
) with 5 ml of the water sample   

two Chlorine Free-DPD/F10 Powder Pack







b) Total Chlorine
Fill a clean vial (10 mm
) with 5 ml of the water sample   

two Chlorine Total-DPD/F10 Powder Pack

(20 sec.).


Wait for a reaction period of 3 – 6 minutes.



c) Combined Chlorine

Tolerances:



Zero
Test
Zero
Test
CL 8
Tablet Powder
CL 8
Tablet Powder
CL 8
Tablet Powder
RESULT
Tablet Powder
RESULT
Tablet Powder
0.0.0
Tablet Powder
0.0.0
Tablet Powder