The static and dynamical pressures of storage rings vacuum chambers are intrinsic dependent of its cleaning quality. Seeking the improvement of the LNLS vacuum chambers cleaning quality, it was developed a study to identify a cleaning agent which best fits in this application. The qualification process was based on the surface analysis technique known as electron stimulated desorption. As result, it was qualified the detergent IC-115 as the new cleaning agent of the standard cleaning procedure used for LNLS Vacuum Group.
