Possible causes of irreproducible results:
- A bad lamp. Replace it.
- Plastic cuvettes or cuvettes made of materials other than quartz. Use only high quality quartz cuvettes.
- Misplacement of cuvette in the holder. If you are removing the cuvette between readings, be sure to replace it into the cell holder in the same orientation.
If you have further questions, please call Agilent Technologies. In the U.S. and Canada, call 1-800-227-9770.