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Errors in analytical chemistry can be minimized and accuracy improved by adopting proper experimental design, careful operation, and systematic correction methods. One important way is the calibration of instruments using standard solutions or reference materials, which ensures that measurements remain within acceptable limits. Replicate determinations should be carried out so that random errors can be averaged, giving more ______ ________ ____ _____ _________ __________ _________ __________ _________ ________.
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