Admin Table of Contents
How do you store an Erlenmeyer flask?
Store According to Type
- Round-bottom flasks should be stored with cork rings to keep them upright.
- Burettes and pipettes should be stored vertically in specially-designed racks, or horizontally in drawers.
What is the best use for a Erlenmeyer flask?
Erlenmeyer flasks are used to contain liquids and for mixing, heating, cooling, incubation, filtration, storage, and other liquid-handling processes. Their slanted sides and narrow necks allow the contents to be mixed by swirling without the risk of spills, which is useful for titrations and for boiling liquids.
What safety measures must be remembered when using glasswares and measuring device?
Tips for working with glassware
- Never use laboratory glassware to serve food or drinks.
- Use care in handling and storing glassware to avoid damaging it.
- Discard or repair any chipped or cracked items.
- Leave at least 10% air space in containers with positive closures.
Can an Erlenmeyer flask be heated?
So, although Erlenmeyer flasks can be heated, they are not specifically designed for high temperature, constant heating applications. For this, you should use a boiling flask. This because his conical shape does not allow an uniform expansion and so the glass could break.
Why is an Erlenmeyer flask not accurate?
Beakers and Erlenmeyer flasks should not be used to measure volume unless you need only a very crude estimate because their accuracy for volume measurements is so poor. They can hold a much larger volume than any of the other types of glassware, however, which makes them useful for mixing solutions.
How do you handle and store a beaker?
Never carry a beaker by its side. Always use two hands carrying any glassware (position one hand under the glass for support)….Handle and Store Glassware Safely
- Never force a joint free. It can cause the glass to shatter.
- Lubricate surfaces or use a Teflon sleeve.
- A heat gun can gently loosen the joints.
What is the difference between an Erlenmeyer flask and a Buchner flask?
Erlenmeyer flask contains the analyte of the titration. This flask was named after the scientist Emil Erlenmeyer after its creation in 1860. The shape of an Erlenmeyer flask varies in its base as well as in its sidewalls. Buchner flask is a derivation of the Erlenmeyer flask which is important in vacuum filtration.
How do we handle glasswares properly?
When handling hot or cold glassware, always wear insulated gloves….Handle and Store Glassware Safely
- Never force a joint free. It can cause the glass to shatter.
- Lubricate surfaces or use a Teflon sleeve.
- A heat gun can gently loosen the joints.
Why is a volumetric flask never heated?
Why should you never heat a volumetric flask, or add a hot solution to a volumetric flask? Because it can be broken. Unlike round bottom flask, volumetric flask has local heating due to the tension in the glass.
How do you maintain a beaker?
To take care of beakers, the staff should always clean it with soap and water after it has been used for an experiment. They should be wiped with a clean cloth after it has been washed and leave it as it dries. Beakers should be stored on a shelf or cabinet so they are protected from damage by outside forces.