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Sulfide
25 mL
25 mL
20 mL
20 mL
10 mL
10 mL
5.
Use the calibrated 1-
mL dropper to add
1.0 mL of Sulfide 2
Reagent to each cell. Cap
the cell and immediately
invert to mix.
A pink color will develop,
then the solution will turn
blue if sulfide is present.
25 mL
20 mL
10 mL
9.
Wipe the prepared
sample and place it into
the cell holder.
Touch
.
Read
Results will appear in µg/
2–
L S
.
Determining Soluble Sulfides
Sulfide
Page 2 of 4
6.
Touch the timer icon.
Touch
.
OK
A five-minute reaction
period will begin.
Determine soluble sulfides by centrifuging the sample in completely filled,
capped tubes and analyzing the supernatant. Insoluble sulfides are then
estimated by subtracting the soluble sulfide concentration from the total sulfide
result.
25 mL
20 mL
10 mL
7.
When the timer
beeps, wipe the blank
and place it into the cell
holder.
Zero
8.
Touch
.
Zero
The display will show:
2–
0 µg/L S
Sulfide_None_Other_MLB_Eng_Ody.fm
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