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6. Maintenance

page 67

Mercury Instruments

UT-3000-E_V2.11.docx

31.07.12

Analytical Technologies

6.4 Troubleshooting

6.4.1 Unusual Measuring Peaks

An example for a non-typical peak is shown in the picture below.

The peak is more of triangular shape and the signal drops to negative values after the peak.

Figure: Example for an non-typical desorption peak

The reason may be precipitation in the tubing at the outlet of the GoldTrap (= tubing which

connects GoldTrap and optical cell, see picture below).

In this case it is recommended to replace the contaminated tubing.

Figure: Tubing at outlet of GoldTrap. The arrow indicates the

position where precipitation might occur.

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UNI-T UT3000 series Istruzioni per gli Interventi Pagina 67