Checklist for Do’s and Don’ts for Using Glassware for Analysis
Checklist for Do’s
- Use Class A Glassware for analysis
- Use transparent glassware for analysis
- Before using glassware for analysis check for cracks or breakage.
- Use exact capacity glassware by checking the marking of capacity e.g. ‘20’ flask not to be used for 25 ml capacity.
- Check dilution marking of glassware for up-to-mark.
- Use Dry & clean glassware for analysis
- Check the free-flowing capacity of the pipette.
- For titration use burette capacity such that the titrant volume is 30% of the nominal volume of the burette. e.g.: If titrant volume is in excess of 15 ml – use 50 ml burette. Less of 15 ml use 25 ml burette
- Check to leak of solvent or titrant While using the separator for extraction and Burette for titration.
- Use amber-colored glassware for analysis of light-sensitive material.
- Use a pipette stand, separator stand, and test tube stands to avoid breakage.
Checklist for Do’s and Don’ts
- Don’t use Class B Glassware for analysis
- Don’t use Opaque cloudy glassware for analysis
- Don’t use cracked & broken glassware for analysis
- Do not assume any capacity of glassware for usage.
- Don’t use glassware without marking
- Don’t use unclean glassware for analysis.
- Do not use a pipette that gives adherence of solvent to the side walls of the pipette
- For titration Don’t use a burette of nominal volume.
- e.g.: If the titrant volume is in excess of 15 ml – don’t use a 20 ml burette. Less than 15 ml don’t use 10 ml burette.
- Don’t use a leakage separator for extraction and a burette for titration
- Don’t use routine glassware for analysis of light-sensitive material which may degrade the material.
- Don’t keep pipettes, separators, and test tubes on the table.
