An electroanalytical method for the quantification of bentazon in the presence of MCPA has been developed. Both bentazon and MCPA are herbicides used in rice cultures and bentazon appears alone or mixed with MCPA in a proportion of 7:1 in commercial formulations. In this work the interference caused by MCPA was evaluated and it was shown that the use of Triton in the supporting electrolyte solution leads to the elimination of its interference with bentazon.

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It is important for a company to know if it is able to attend the clients' requests on time and according to their expectations, mainly in competitive markets. A usual activity performed to ensure quality is the test activity. Software testing is been considered so important that organizations can allocate teams exclusively for test activities. In this context, it is important that test managers know the capacity of their test team. This paper defines a capacity model for test execution teams and presents the use of simulation technique for estimating teams capacities for executing tests in mobile applications.We also report our experiences using this model in an organizational setting.

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