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Very low CTE - coefficient of thermal expansion.

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16y ago

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Why not clamp flasks and test tubes tightly?

Clamping flasks and test tubes tightly can lead to breakage or deformation of the glassware, which can be dangerous and can also affect the experimental results. It is important to use the appropriate clamps and holders designed for the specific type of glassware to secure them safely without causing damage.


Why it is important to wash and clean the glassware after using?

It is important to wash and clean glassware after using to remove any residues or contaminants that could affect the results of future experiments. Proper cleaning also prevents cross-contamination between different experiments and ensures the glassware is safe to use. Regular cleaning also helps maintain the integrity and longevity of the glassware.


Is infrasound used to clean glassware?

No, but you can use ultrasound to clean glassware.


What are some safety precautions to consider when baking with glassware?

When baking with glassware, it is important to avoid sudden temperature changes, such as placing hot glassware on a cold surface or adding cold ingredients to hot glassware. Additionally, always use oven mitts or pot holders to handle hot glassware and allow it to cool before washing. Lastly, check the glassware for any cracks or chips before using it to prevent breakage during baking.


Why must the glassware be dry before beginning and experiment?

Some experiments use chemicals and water, glassware for such experiments must not be dried. But glassware for the experiments that has no water in them must be drived, so water do not get in the reaction. E.g. in Grignard reactions, if water gets in a reaction, alkane will be produce instead of an alcohol. You will get not what you wanted. But if you will perform Acid-Base Reactions, in the end you will get water anyway, so extra water that was in the glassware will not change anything.


Why is it so important to clean your glassware and instruments when you finish an experiment?

Cleaning glassware and instruments after an experiment is important to prevent contamination of subsequent experiments, ensure accurate and reliable results, and maintain the integrity and longevity of the equipment. Residual chemicals or contaminants left in the glassware can lead to false results or reaction interference in future experiments. Regular cleaning also helps to improve the performance and durability of the equipment.


How do you print on glassware?

There are permanent markers and you can use most paints to print on glassware. The permanent markers are Fabrico brand and are easy to use.


What is the ideal type of glassware to use when serving a saison beer?

The ideal type of glassware to use when serving a saison beer is a tulip glass.


What are the main benefits of plastic glassware?

One of the main benefits of plastic glassware is that it will not break like regular glassware. It is perfect for outdoor use and parties where children are involved.


Why shouldn't you use a chipped piece of glassware?

Chipped glassware can compromise its structural integrity, leading to breakage during use which can result in potential injuries. Chips can also harbor bacteria and make the glassware harder to clean effectively, risking contamination of food or drinks. It's safer to dispose of chipped glassware and use undamaged items instead.


How can I ensure that my cooked ham is heated up properly without drying it out?

To ensure your cooked ham is heated up properly without drying it out, cover it with foil while reheating to retain moisture, and use a meat thermometer to heat it to an internal temperature of 140F.


What equipment would be used when suspending glassware over a Bunsen burner?

A retort stand with a clamp or a tripod with a wire gauze would typically be used to suspend glassware over a Bunsen burner. This equipment provides stability and allows for precise control of the height and distance of the glassware from the flame. It is important to use heat-resistant materials to prevent accidents or damage to the glassware.