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In Eurochem CITAC Guide CG4, uncertainty is defined as “a parameter associated with the result of a measurement that characterizes the dispersion of the values attributed to the measurand”. In proficiency testing schemes, the assigned value has a standard uncertainty which arises from the method used to determine it. In several schemes, consensus values from participants will be used (ISO/IEC Guide...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.