SUMMARY
Quality assurance of test results is one of the topical issues of analytical laboratories functioning. Scientifically reasonable criteria and recommendations in relation to the scheme and quality control of pharmacopoeial tests results by volumetric titration methods were developed by the authors according to the previous studies results. The criteria were elaborated by results of test uncertainty estimation.Conclusion. The acceptability criteria developed on scientific reasoning basis meet the main parameter of titrimetric methods tests and can be recommended for the use in- functioning of pharmaceutical analytical laboratories
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