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MOLYBDENUM, MOLYBDATE, HR, continued
4.
Fill a 25-mL cell
to the 25-mL line
with sample.
Note: For proof of
accuracy, use a
10.0 mg/L Molybdenum
Standard Solution
(listed under Optional
Reagents) in place of
the sample.
Note: Filter turbid
samples using the
labware listed under
Optional Apparatus.
7.
Add the contents
of one MolyVer 3
Reagent Powder
Pillow (the prepared
sample). Cap and
invert several times to
mix.
Note: If molybdenum is
present a yellow color
will develop.
5.
Add the contents
of one MolyVer 1
Reagent Powder
Pillow. Cap and
invert several times to
mix.
5 minutes
8.
Wait 5 minutes.
42-18
6.
Add the contents
of one MolyVer 2
Reagent Powder
Pillow. Cap and invert
several times to mix.
9.
Fill a 25-mL cell
to the 25-mL line
with sample (the
blank). Cap.
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