Thermo Scientific Orion AquaMate UV-Vis, Руководство пользователя

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Chapter 5
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Orion AQUAfast Reagent Chemistry Instructions for Orion AquaMate
Thermo Scientific Orion AquaMate Spectrophotometer User Manual | 75
AC2029 Copper (Free & Total) Tablet Test
Biquinoline Method
0.05 – 5 mg/l Cu
1. Load and run the AC202924 method.
2. Fill a clean AQUAfast 24mm round vial, Cat. No. AC2V24, with 10 ml of sample. Close the
vial tightly with the cap. Wipe the exterior of the vial.
3. Place the vial into the holder in the sample chamber and close the chamber door.
4. Press the Measure Blank function key to measure the blank.
5. Open the sample chamber door and remove the vial from the holder.
6. Add one Copper No. 1 Tablet straight from the foil into the vial. Crush the tablet with a
clean stir rod.
7. Close the vial tightly with the cap and swirl or invert several times until the tablet is
dissolved. Wipe the exterior of the vial.
8. Place the vial into the holder in the sample chamber and close the chamber door.
9. Press the Measure Sample function key to display the result in mg/l free copper.
10. Open the sample chamber door and remove the vial from the holder.
11. Add one Copper No.2 Tablet straight from the foil into the same vial. Crush the tablet with a
clean stir rod.
12. Close the vial tightly with the cap and swirl or invert several times until the tablet is
dissolved. Wipe the exterior of the vial.
13. Place the vial into the holder in the sample chamber and close the chamber door.
14. Press the Measure Sample function key to display the result in mg/l total copper.
Notes:
• Alternatively, the AC202950 method can be used with 50mm rectangular vials. All blank
and sample volumes must remain the same as those specified in these instructions, so
samples may need to be prepared in separate containers and then transferred into the
selected vial.