21 resources : Technical gestures

Current search

By keywords = Technical gestures

Your attention please : access to the documents may be restricted, wheter for legal reasons, or imposed by the creator of the work.

21 resources

page 1 to 3.1

results 1 to 10

Recrystallization

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, you will learn how to perform recrystallization. It is a method for purifying a solid crude product. Indeed, at the end of a chemical reaction you isolate a crude product containing ...

Keywords : Recrystallization, Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab

Learn more about

Recrystallization

Add to my cart

View the document

Drawing a liquid with the syringue

Description : In chemical synthesis, it is often necessary to work under anhydrous conditions under an inert atmosphere by taking either a freshly distilled solvent or a product which is flammable or simply sensitive to air. In both cases, it is necessary to know how to take the sample using a syringe or a cannula ...

Keywords : Technical gestures, Organic Chemistry Lab, Liquid, Organic and molecular chemistry

Learn more about

Drawing a liquid with the syringue

Add to my cart

View the document

Recrystallization

Keywords : Recrystallization, Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab

Preparation of a sample for a liquid NMR analysis

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, you will learn how to prepare a sample for NMR analysis. NMR, Nuclear Magnetic Resonance, is a spectroscopic technique used to determine the molecular structure of a product. This ...

Keywords : Organic and molecular chemistry, Technical gestures, NMR analysis, Organic Chemistry Lab

Learn more about

Preparation of a sample for a liquid NMR analysis

Add to my cart

View the document

Filtration : a solid-liquid separation technique

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, two filtration techniques are presented to you which differ in their assembly: gravity filtration, and vacuum filtration. Filtration is a physical separation between a solid and ...

Keywords : Organic and molecular chemistry, Filtration, Technical gestures, Organic Chemistry Lab, Solid-liquid

Learn more about

Filtration : a solid-liquid separation technique

Add to my cart

View the document

Use of a rotary evaporator

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video you will learn how to use a rotary evaporator. This is a device designed to evaporate or concentrate, by heating and under reduced pressure, a solvent in which your product is d ...

Keywords : Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab, Rotary evaporator

Learn more about

Use of a rotary evaporator

Add to my cart

View the document

Using a Dean-Stark apparatus

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, you will learn how to use a Dean Stark device, which allows you to remove water or other liquids from a reaction medium. Some chemical reactions are not complete because they are ...

Keywords : Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab, Dean-Stark apparatus

Learn more about

Using a Dean-Stark apparatus

Add to my cart

View the document

Separatory funnel: a liquid-liquid extraction technique

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, we are going to study a liquid liquid extraction separation technique performed using a separating funnel. This manipulation aims to extract a species solubilized in a given solvent ...

Keywords : Organic and molecular chemistry, Separatory funnel, Technical gestures, Organic Chemistry Lab, Liquid-liquid

Learn more about

Separatory funnel: a liquid-liquid extraction technique

Add to my cart

View the document

Hydrodistillation

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, you will learn how to perform hydrodistillation and distillation by steam distillation. These are old distillation techniques at atmospheric pressure using water vapour. These ...

Keywords : Hydrodistillation, Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab

Using a Schlenk line

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video you will find a presentation of Schlenk's equipment. This is glassware equipment specially designed to work in specific conditions and in particular under a strict atmosphere of ...

Keywords : Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab, Schlenk line

Bounce