Proper handling of glassware can reduce the risk of injury and accident.
- Never convey a flask by its neck. Never convey a beaker close by.
- Always carry glassware with two hands (support underneath with one hand).
- Appropriate gloves should be worn in case if there's a risk of breakage (e.g. embedding a glass bar), chemical contamination, or thermal hazard.
- When handling hot or cold glassware, always wear heat resistant gloves.
- Do not apply high pressure on glassware. Stabilize glassware by a clamp and platform to alleviate weight.
- Avoid over tightening and breakage while clamping the glassware. Use coated clamps to anticipate glass-to-metal contact.
- Neck clamps should not be utilized as primary support for vessels bigger than 500 mL.
- Ground-glass joints are made for a flawless fit and might stick infrequently.
- Never apply excess force on a joint free. It can bring the glass about to break.
- Lubricate surfaces using grease or use a Teflon sleeve.
- A heat gun can delicately release the joints.
- Never heat or cool glassware unless it is intended for those procedures.
- Round-bottom flasks are best for boiling fluids.
- Never set hot glass on a cold benchtop.
When storing glassware, remember to:
- Keep it away from shelf edges.
- Place glassware toward the back of benches or hoods. (Remember: Fume hoods and biosafety cabinets should not be used for storage.)
- Don't let instruments roll around in drawers (use drawer pads).