Inter-laboratory quality control with investigation of different methodological characteristics.

摘要: A classification system was designed which gives a brief description of the analytical methods used by laboratories participating in an external quality control program. Together with results several characteristics are to be reported laboratories, e.g. principle, special variant, commercial reagent, type calibration and instrumental equipment. The is logically structured easy learn facilitate transfer information computer. To test this system, survey made forty-two large or middle sized Nordic laboratories. Control material at two concentration levels analysed on ten different occasions. computer program allowed statistical treatment data grouping according outlined method. For some methods, but not all, use standards, prepared weighed amounts components were superior calibrations usi...