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[Provision of quality control in hemoglobin studies]
Hemolysate with 30% of ethylene glycol was used for plotting calibration graph and for calibration of micropipets employed in blood collection and hemoglobin determination. The hemolysate was treated for 20 days; statistical characteristics were determined (mean value, root-mean-square deviation, coefficient of variations). A control chart was plotted for every laboratory assistant engaged in blood collection and measurement of hemoglobin concentration. Errors possible in estimation of hemoglobin concentration at clinical diagnostic laboratories are analyzed.
Hemolysate with 30% of ethylene glycol was used for plotting calibration graph and for calibration of micropipets employed in blood collection and hemoglobin determination. The hemolysate was treated for 20 days; statistical characteristics were determined (mean value, root-mean-square deviation, coefficient of variations). A control chart was plotted for every laboratory assistant engaged in blood collection and measurement of hemoglobin concentration. Errors possible in estimation of hemoglobin concentration at clinical diagnostic laboratories are analyzed.