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May 21, 2020 · 1. Calibration of Volumetric Glassware An important trait of a good analyst is the ability to extract the best possible data from his or her equipment. For this purpose, it is desirable to calibrate your own volumetric glassware (burets, pipets, flasks, etc.) to measure the exact volumes delivered or contained. This experiment also promotes ...
Calibration of glassware is one of the most effective ways to decrease systematic error. Although errors are likely to always be present, a good chemist will use many methods to reduce the likelihood of errors, especially systematic errors that may skew the results of the experiment. 3.
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This experiment was constructed to center around calibration of Class A volumetric glassware. Calibrating glassware was necessary in order to get an accurate measurement of the quantity contained or dispensed by the piece of volumetric equipment.
Mar 4, 2022 · accurate and precise volumes using volumetric glassware. This experiment consists of three parts. In part one, a 10-mL graduated cylinder is used to accurately transfer 10-mL portions of the distilled/deionized water into pre-weighed 100-mL volumetric flask. In parts two and three, the same 10-mL volume of water, as in the part one, will be ...
There are three main objectives: 1) to develop basic skills in cleaning, handling and calibrating volumetric glassware; 2) to estimate the systematic error1 in the volume delivered by a 50-mL buret and construct a graph to convert the measured volume to the true volume delivered; 3) to obtain a good estimate of the standard deviation of the meth...
Laboratory Experiment 1. Calibration of Volumetric Glassware. An important trait of a good analyst is the ability to extract the best possible data from his or her equipment. For this purpose, it is desirable to calibrate your own volumetric glassware (burettes, pipettes, flasks, etc.) to measure the exact volumes delivered or contained.
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This document describes an experiment to calibrate volumetric glassware including a 10mL pipette, 25mL pipette, 100mL volumetric flask, and 50mL measuring cylinder. The calibration involved measuring the mass of water delivered or contained by each instrument and converting to volumes using density calculations.
