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...Metrology calibrating a micropipette martin de groot kelvin training this paper discusses the calibration of pipette with particular attention to type that is used and calibrated most frequently so called air displacement single channel adjustable volume pipet new iso iec published november demands more agreement procedure customer describes points need be agreed by gravimetric method weighing alternative calorimetric not described in use micropipettes must reproduce as much possible for approach good explanation do s don ts when using water added vessel on balance shown minute youtube film weighed weight converted university leicester see figure through known density reference there significant difference these pipettes calibrate equations densities either forward or reverse shows correction factor z between two approaches defined it generally recommended tips original supplier should can only after sufficient experience ensure tip fits shape surface even than roughness wettability ad...