LaMotte 3590-03 - Manual (Page 7)

TOTAL SULFIDE TEST PROCEDURE
1
MINUTE
Insert the Sulfi de
Octa-Slide 2 Bar
(4457-01) into
the Octa-Slide 2
Viewer (1101). Insert test tube into
the Octa-Slide 2
Viewer (1101).
Match sample
color to a color
standard.
Record results
as ppm Sulfi de.
Fill a test tube
(0106) to the
5 mL line with
the sample water. Add 15 drops
of *Sulfi de
Reagent A (4458).
Cap and gently
invert to mix. Add 3 drops of
*Sulfi de Reagent B
(4459).
Cap and mix.
Wait 1 minute.
Use the pipet
(0354) to add
1.0 mL of Sulfi de
Reagent C (4460).
Cap and mix
1 2
3 4
5 6
7 8
9
† Supplied only with Code 3590-03
Note: Collect sample with a minimum of aeration and analyze promptly.
EPA accepted procedure
A known concentration of sulfi de in
the range of 0.2-20.0 ppm S= may be
prepared as a check standard by
referring to APHA Standard Methods
4500-S2-D, 17th Ed., 1989. Run this
test on the check standard. If the result
is incorrect, discard the old reagents
and order the reagent refi ll package.