Experiment 1 - Measurement

Accuracy of the Various Types of Graduated Glasswares

Type of Glassware Target Volume Accuracy Accuracy Range
Graduated erlenmeyer flask 125 mL +/- 5% 125 mL +/- 6.25 mL
Graduation interval=25 mL
roughly accurate
Graduated beaker 100 mL +/- 5% 100 mL +/- 5 mL
Graduation interval=10 mL
roughly accurate
Graduated cylinder 10 mL +/- 0.5% 10 mL +/- 0.05 mL
Graduation interval=0.1 mL
accurate
Graduated cylinder 100 mL +/- 0.4% 100 mL +/- 0.40 mL
Graduation interval=1 mL
accurate
Volumetric flask 100 mL +/- 0.08% 100 mL +/- 0.08 mL
No graduation interval
very accurate
Volumetric pipet 25 mL +/- 0.12% 25.0 mL +/- 0.03 mL
No graduation interval
very accurate
Buret 50 mL +/- 0.1% 50 mL +/- 0.05 mL
Graduation interval=0.10 mL
very accurate

 


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