Mercury
Mercury
Mercury_PP_Other_CVM_Eng_Ody.fm Page 5 of 12
13. Touch
Hach Programs.
Select program
312 Mercury, Cold Vapor.
Touch
Start.
14. Touch the timer icon.
Touch
OK.
A five-minute reaction
period will begin. Let the
solution bubble for this
period.
Air flow rate through the
Gas Washing Bottle
should be between
1–5 L/min. Allow more
bubbling time for lower
air flow rates. For
example, if the air flow
rate is 1 L/min., let the
solution bubble for
10 min.
15. After the timer beeps,
remove the glass elbow
from the top of the
Mercury Absorber
Column. Keep the
vacuum pump on.
16. Pipet 8 mL of HgEx
Reagent B into the
Mercury Absorber
Column to elute the
captured mercury.
Continue to apply
vacuum to pull the HgEx
Reagent B into the
Distilling Receiver.
Hach Programs
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