The Erlenmeyer filter flask, which is also known as a conical flask was named after Richard August Carl Emil Erlenmeyer. It consists of a wide base with a flat bottom and an inverted cylindrical neck. It’s usually used in chemistry experiments in order to mix different chemicals or to contain titrate of a solution.
What is a reaction flask?
The reaction flask is usually made of thick glass and can tolerate large pressure differences, with the result that one can be kept both in a reaction under vacuum, and pressure, sometimes simultaneously. Schlenk flask, which is a spherical flask with a ground glass opening and a hose outlet and a vacuum stopcock.
Can conical 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.
What is beaker used for?
Beakers are useful as a reaction container or to hold liquid or solid samples. They are also used to catch liquids from titrations and filtrates from filtering operations.
What is Florence flask used for?
It is used as a container to hold liquids. A Florence flask has a round body, a long neck, and often a flat bottom. It is designed for uniform heating, boiling, distillation and ease of swirling; it is produced in a number of different glass thicknesses to stand different types of use.
What is a Python flask app?
Flask is a web framework, it’s a Python module that lets you develop web applications easily. It’s has a small and easy-to-extend core: it’s a microframework that doesn’t include an ORM (Object Relational Manager) or such features. It does have many cool features like url routing, template engine.
What is retort flask?
In a chemistry laboratory, a retort is a device used for distillation or dry distillation of substances. The liquid to be distilled is placed in the vessel and heated. The neck acts as a condenser, allowing the vapors to condense and flow along the neck to a collection vessel placed underneath.
Why is conical flask used for titration?
Once the solution is in the pipette, it’s then transferred to a conical flask. Conical flasks are better than beakers for this procedure because they can be easily swirled without risk of the contents spilling. The scale on its side allows the amount of solution that’s been allowed to flow out to be read off.
Can you boil in a beaker?
It is definitely possible that there was already a small crack in the beaker and that heating caused it to open further. A contaminant is very unlikely to have been the source of the problem. You should be able to boil dirty beakers all day long without them popping on you.
How much heat can a beaker take?
Beaker Materials It has excellent chemical resistance and can withstand temperatures up to 400°C. Glass beakers are classified into five different types that conform to ASTM E960 standard specifications.
What is the use of Scoopula in laboratory?
Scoopula is a brand name of a spatula-like scoop utensil used primarily in experimental laboratories to transfer solids: to a weighing paper for weighing, to a cover slip to measure melting point, or a graduated cylinder, or to a watch glass from a flask or beaker through scraping.
What is an example of a beaker?
Beakers are commonly made of glass (today usually borosilicate glass), but can also be in metal (such as stainless steel or aluminum) or certain plastics (notably polythene, polypropylene, PTFE). A common use for polypropylene beakers is gamma spectral analysis of liquid and solid samples.
Who invented Florence flask?
German scientists Otto Schott (1851–1935) and Ernst Abbe (1840–1905) first developed borosilicate glass in the late 19th century.
Why Florence flask is used for boiling?
Florence/Boiling Flask Some Florence flasks are produced with rounded bottoms, and thus need support in order to stand upright; others have flat bottoms and can stand alone. Because they are so often used for boiling, Florence flasks are produced with borosilicate glass to prevent cracking.
Is Florence flask accurate?
What is the level of accuracy? Highly accurate. This type of volumetric glassware is found in three different sizes 10 ml, 50 ml, and 100 ml. Their precision is within 0.01 ml.
Is Django better than Flask?
Django is considered to be more popular because it provides many out of box features and reduces time to build complex applications. Flask is a good start if you are getting into web development. Flask is a simple, unopinionated framework; it doesn’t decide what your application should look like – developers do.
Is Python Flask a Web server?
Although Flask has a built-in web server, as we all know, it’s not suitable for production and needs to be put behind a real web server able to communicate with Flask through a WSGI protocol. A common choice for that is Gunicorn—a Python WSGI HTTP server. Serving static files and proxying request with Nginx.
Why is it called conical flask?
An Erlenmeyer flask, also known as a conical flask (British English) or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. It is named after the German chemist Emil Erlenmeyer (1825–1909), who created it in 1860.
What is conical flask with diagram?
Conical Flask or Erlenmeyer flask is just like similar to that of beakers having a flat conical body and a cylindrical neck. it is an important part of common laboratory apparatus.
Are retorts still used?
In laboratory use, due to advances in technology, especially the invention of the Liebig condenser, retorts have largely been rendered obsolete.
What is distillation flask?
Definition of distilling flask : a glass usually round-bottomed flask for holding a substance to be distilled.