Copper, free 0.05 - 5 mg/L Cu with Powder Packs (CuP)
Perform zero calibration (see “Operation”).
Add one VARIO Cu 1 F10 powder pack straight from the foil to the
water sample.
Close the vial with the cap tightly and swirl the vial several times to mix the
contents (Note 3).
Place the vial in the sample chamber making sure that the marks are aligned.
Wait for a color reaction timeof 2 minutes.
Press the ZERO/TEST key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/L free copper.
Tolerance: ± 0.1 mg/L Cu.
Notes
1. For determination of total Copper digestion is required.
2. Extremely acid water samples (pH 2 or less) must be adjusted to between
pH 4 and pH 6 before the reagent is added (with 8 mol/l Potassium hydroxide
solution KOH).
3. Accuracy is not affected by undissolved powder.
Zero
Test
0.0.0
RESULT
CuP
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