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post lab e1 - Auxiliary Balance Tools and Apparatus...

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12/15/2011 1 Post-Laboratory Discussion Expt. 0: Tools of the Trade Expt. 1: Calibration of Volumetric Glasswares TOOLS OF THE TRADE Experiment 0 The Analytical Balance Precautions in using an Analytical Balance Sources of Error in Weighing
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12/15/2011 2 Temperature Effects Always wait for the substance to be weighed to cool down (or be equilibrated) to room temperature before weighing. Causes apparent mass of object to be low Due to convection currents acting on the pan and object being weighed Due to the difference in weight of air inside the container at different temperature Temperature Effects
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Unformatted text preview: Auxiliary Balance Tools and Apparatus Associated in Weighing Equipment and Manipulations for Filtration and Ignition Purposes Equipment and Manipulations for Filtration and Ignition Purposes 12/15/2011 3 Equipment and Manipulations for Filtration and Ignition Purposes Equipment and Manipulations for Filtration and Ignition Purposes Equipment and Manipulations for Filtration and Ignition Purposes Volumetric Tools 12/15/2011 4 Parallax Error in Volumetric Glasswares CALIBRATION OF VOLUMETRIC GLASSWARES Experiment 1 Types of Calibration 12/15/2011 5...
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