DR/2400
Copper
Copper_UniCell_Other_BATH_Eng_Ody.fm Page 1 of 4
• Undissolved copper and copper contained in complexes can only be determined after digestion with the Metal Prep Set
(HCT 200). The measuring range for total copper is 0.12–7.20 mg/L.
• Adjust pH of preserved samples to between pH 3–9 before analysis.
• Clean the outside of the vial before placing it in the instrument. Wipe with a damp towel, followed by a dry one.
• Use the standard solution or standard addition method to verify results. See Accuracy Check.
• See Section 3.2.4 in the procedure manual for information on adjusting the calibration curve.
• Make sure that the temperature of the water sample and the sample vial is between 15–25 °C.
• Underrange appears on the display when the instrument is zeroed or when the determined sample concentration is below the
operating range listed for this method.
Copper
Bathocuproine Method
UniCell™ Vials
(0.10 to 6.00 mg/L)
Scope and Application: For water, wastewater, raw water, and process control
1. Touch
Hach Programs.
Select program
146 Copper, HCT 163
Touch Start.
2. Pipet 4 mL of sample
into a sample vial.
3. Cap and invert the
sample vial until the solid
in the vial dissolves
completely.
4. Touch the timer icon.
Touch
OK.
A 3-minute reaction
period will begin.
Tips and Techniques
UniCell Vials
Hach Programs
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