Chloramine (Mono); Hr (0.1 To 10.0 Mg/L Cl 2 ) - Hach DR2400 Manual

DR/2400
Method 10172
Scope and Application:
* Patent Pending
Tips and Techniques
• For more accurate results, determine a reagent blank value for each new lot of reagent. Follow the procedure using deionized
water in place of the sample. Subtract the reagent blank value from the final results or perform a reagent blank adjust
instrument manual for more information on Running a Reagent Blank.
• Wipe the outside of sample cells before each insertion into the instrument cell holder. Use a damp towel followed by a dry one to
remove fingerprints or other marks.
Test "N Tube
Hach Programs
1.
Touch
.
Hach Programs
Select program
67 Monochlor. HR TNT
Touch .
Start
Chloramine (Mono)_AVPP_High_MCF_Eng_Ody.fm
Chlorinated wastewater.
2.
Remove the cap from
one HR Monochloramine
Diluent vial. Use a glass
pipet to add 2.0 mL
sample to the vial. Re-cap
.
and invert several times
to mix.

Chloramine (Mono)

HR (0.1 to 10.0 mg/L Cl
3.
Install the 16-mm cell
adapter. Wipe the vial
and place it into the
adapter.
Note: See Section 2.6 Sample
Cell Adapters For adapter
installation details.
Indophenol Method*
. See the
Method 10172
Zero
4.
Touch .
Zero
The display will show:
0.0 mg/L Cl
2
Chloramine (Mono)
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