YSI 900 - Chlorine, With Powder Pack (Cl 2)

12
Methods
Chlorine with Powder Pack: 0.02 – 2.0 mg/l
a) Free Chlorine
Fill a clean vial (24 mm Ø) with 10 ml of the water sample


one Chlorine Free-DPD/F10 Powder Pack


sec.).





b) Total Chlorine



one Chlorine Total-DPD/F10 Powder Pack


sec.).


Wait for a reaction period of 3 minutes.



c) Combined Chlorine

Tolerances:


!
Zero
Test
Zero
Test
CL 2
Tablet Powder
CL 2
Tablet Powder
CL 2
Tablet Powder
0.0.0
Tablet Powder
RESULT
Tablet Powder
RESULT
Tablet Powder