Ionic Contamination on the Surface of PCBs -

15 Dec.,2023

 

simple method

ROSE Test: Rapid Overview

The ROSE test (Resistivity of Solvent Extract) is an established and simple method for determining ionic contamination on circuit boards and assemblies. The measurement is based on the change in conductivity and provides a summation value that relates the total ionic contamination to sodium chloride.

The ROSE Test provides a quick and comprehensive overview of the ionic cleanliness of circuit boards and assemblies. However, it does not provide a detailed representation of the contamination. This is where the high-resolution analytical method of ion chromatography comes into play.

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