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DR/2400
Method 8113
Scope and Application:
Tips and Techniques
• Filter turbid samples with moderately rapid filter paper (Cat. No. 692-57) and a funnel (Cat. No. 1083-68) before analysis.
• Both the sample and the blank will contain mercury (D009) at a concentration regulated as a hazardous waste by the Federal
RCRA. Do not pour these solutions down the drain. See Waste Management and Safety on page 55 for more information on
proper disposal of these materials.
• 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.
Hach Programs
1.
Touch
.
Hach Programs
Select program
.
70 Chloride
Touch
.
Start
Chloride_None_Other_MRT_Eng_Ody.fm
For water and wastewater
25 mL
20 mL
10 mL
2.
Fill a round sample
cell with 25 mL of
sample. (This is the
prepared sample.)
Mercuric Thiocyanate Method
25 mL
20 mL
10 mL
3.
Fill another sample
cell with 25 mL of
deionized water. (This is
the blank.)
Chloride
(0.1 to 25.0 mg/L Cl
Method 8113
25 mL
25 mL
20 mL
20 mL
10 mL
10 mL
4.
Pipet 2.0 mL of
Mercuric Thiocyanate
Solution into each sample
cell.
Chloride
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