The appraisal of the capacity and performance of the sampler can be based on the ISO / DIS 8655 document of the International Organization for Standardization (1SO) and the National Metrological Verification Regulations of the People's Republic of China on “Quantitative and Adjustable Pipette†The weight test method stipulated in the "Trial Verification Regulation for Liquid Device" (JJG646-90). This is currently an effective calibration method for such instruments. The laboratory can establish the standard operating procedure (SOP) of the sampler calibration in this room based on the above documents. The following is a specific example of sampler calibration.
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