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DR/2400
Method 8143
Powder Pillows
Scope and Application:
* Adapted from Ishii and Koh, Bunseki Kagaku, 28 (473), 1979
Tips and Techniques
• Digestion is required for determining total copper. See Section 4 for digestion procedure.
• 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.
• Wash all glassware with detergent. Rinse with tap water. Rinse again with 1:1 Nitric Acid Solution. Rinse a third time with
copper-free, deionized water.
• If samples contain high levels of metals, a slight metallic deposit or yellow buildup may form in the sample cell. Wash the cell as
described above.
Powder Pillows
Hach Programs
1.
Touch
.
Hach Programs
Select program
145 Copper, Porphyrin
Touch
.
Start
Copper_PP_Low_POR_Eng_Ody.fm
For water, wastewater, and sea water
2.
Fill two round sample
cells with 10 mL of
sample.
.
3.
Add the contents of
one Copper Masking
Reagent Powder Pillow
to one of the sample cells
(the blank). Swirl to
dissolve.
The second sample cell is
the prepared sample.
Copper
Porphyrin Method*
LR (2 to 210 µg/L)
.
See the
Method 8143
10 mL
4.
Add the contents of
one Porphyrin 1 Reagent
Powder Pillow to each
sample cell. Swirl to
dissolve.
Copper
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