Guanidinium Chloride Salt in Solution (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This model of the guanidinium chloride salt in solution shows carbon (yellow) and water (green) surrounding the cations and demonstrates cation-cation pairing. Credit Image courtesy of Berkeley Lab Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.