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- W1790431207 abstract "In 2008 several chemical analysts from LATU’s test laboratories (most of them new to their task) took part in a Proficiency Test for the use of volumetric glassware. Two pipettes were used: a glass pipette of 1 ml, class B, and an automatic pipette of variable volume between 0 ml and 1 ml. The latter was calibrated at 1 ml. All analysts were asked to repeat each calibration between 6 and 10 times to allow an estimate of the measurement repeatibility. The average value performed by each analyst for each pipette was evaluated and its uncertainty estimated. Graphs are presented showing the analysts’ means and uncertainties for each pipette and the results are compared. As a conclusion, the reproducibility of each kind of instrument is evaluated according to which recommendations are given for the calibration and use of the two types of pipette." @default.
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- W1790431207 date "2011-05-04" @default.
- W1790431207 modified "2023-09-26" @default.
- W1790431207 title "Ensayo de aptitud realizado en LATU para validación del método de calibración y uso de pipetas de vidrio y pipetas automáticas" @default.
- W1790431207 doi "https://doi.org/10.26461/03.06" @default.
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