Posted: November 29, 2023
Jointed lab glassware such as glass flasks, separatory funnels, and condensers are the most commonly used glassware in chemical and biological analysis laboratories. For various reasons, the glass joints often stick together, making it difficult to open. If brute force is used, the glassware will be damaged, and the user may injure themselves by cutting their hands.
If you ever find yourself in a case where you are unable to open a glass joint, you will want to use the fastest and most effective method available. Below are some suggestions for your consideration.
- Freezing method: place it in the freezer for approximately 1 hour, then remove it.
- Heating method: for a short length of time, use a hair dryer with a hot air eat sweep.
- Immersion method: soak in water and try to open the plug with the end of the plug as far as possible in the water. You can soak in hot water again if required.
- Manual method: gently hit the joint with a
