Clean the ATR crystal
Ensure the ATR crystal is clean before and after taking sample and background measurements with the Affirma Lubricant Analysis system. Use heptane or isooctane, clean dropper bottles, non-abrasive wipes, and nitrile gloves. Avoid chemical exposure and excessive force when cleaning to prevent damage to the 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.