Determination of boron contained in a cementitous matrix used for the transport or the storage of radioactive waste

In practice, the quantification of boron using an ICP-AES was very satisfactory but a second titration technique was needed to confirm ICP-AES results. The titration of boron using the carminic acid assay was chosen. In order to remove interfering ions, a simple laboratory made purification device was set up. A protocol was developed in order to measure the boron concentration by the carminic acid assay. This led to consistent data with ICP-AES results.