Molybdenum, Molybdate; Powder Pillows Or Accuvac - Hach DR2400 Manual

DR/2400
Method 8036

Powder Pillows or AccuVac

Scope and Application:
* Adapted from Analytical Chemistry, 25(9) 1363 (1953)
Tips and Techniques
• For more accurate results, determine a reagent blank value for each new lot of reagent. Follow the procedure using deionized
water in place of the sample. Subtract the reagent blank value from the final results or perform a reagent blank adjust
instrument manual for more information on Running a Reagent Blank.
• Filter turbid samples using filter paper (Cat. No. 1894-57) and a funnel (Cat. No. 1083-67).
• After all reagents have been added, the presence of molybdenum will cause a yellow color to form.
Powder Pillows
Hach Programs
1.
Touch
.
Hach Programs
Select program
.
320 Molybdenum HR
Touch .
Start
Molybdenum_AVPP_High_MAA_Eng_Ody.fm
®
Ampuls
For water and wastewater.
2.
Fill a sample cell with
10-mL of sample.

Molybdenum, Molybdate

Mercaptoacetic Acid Method*
3.
Add the contents of
®
one MolyVer 1 Reagent
Powder Pillow. Swirl
to mix.
HR (0.3 to 40.0 mg/L)
. See the
Method 8036
4.
Add the contents of
one MolyVer 2 Reagent
Powder Pillow. Swirl
to mix.
Molybdenum, Molybdate
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