Cleaning and carbon coating

All sample surfaces need to be properly cleaned prior to analysis. To avoid charging effects on the sample surface, non-conductive samples have to be coated with a thin layer of carbon. For this purpose our lab is equipped with a 'Cressington 208carbon' coating device. It is recommended to do the carbon coating in our lab, because then we can be sure that the thickness of the coating matches the carbon coat thickness on our reference materials. This is of major importance for quantitative analysis of light elements.
To give us some time for cleaning, drying and carbon coating, please bring in your samples at least two days in advance.