Clean the ATR crystal
Make sure the ATR crystal is clean before and after taking sample and background measurements with the Affirma Lubricant Analysis system.
Materials required:
- Small volume of heptane or isooctane
- Clean dropper bottle for cleaning solvent (provided)
- Clean, non-abrasive laboratory wipes (unscented and lotion-free; paper napkins work well)
- Powder-free nitrile gloves
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Avoid chemical exposure. Isooctane and heptane are chemical irritants. When handling isooctane or heptane:
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| When cleaning the ATR crystal, avoid using excessive force or you may damage the crystal. |
To clean the ATR crystal
- Use a clean, non-abrasive laboratory wipe to soak up most of the sample material.
Figure 1-1: Wiping off sample material with non-abrasive cloth
- Use a new wipe to gently clean the ATR crystal and surrounding area.
Figure 1-2: Cleaning the ATR crystal
- Place a few drops of cleaning solvent onto a new wipe and use it to thoroughly clean the crystal and the area around it.