41 résultats : LORUSSO LUCIE

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Purification by column chromatography on silica gel

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). During a chemical reaction, unwanted molecules can be observed in addition to your product. The reaction crude then requires purification which can be done on a chromatographic column, the pr ...

Mots clés : Organic Chemistry Lab, Purification, Technical gestures, Organic and molecular chemistry, Silica, Chromatograpy, Column, Gel

Purification by column chromatography on silica gel

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Preparation of a column chromatography on silica gel

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). During a chemical reaction, after extraction, you obtain a reaction crude which requires purification to isolate your targeted product. The reaction crude can contain by-products, unreacted s ...

Mots clés : Organic Chemistry Lab, Technical gestures, Organic and molecular chemistry, Silica, Chromatograpy, Column, Gel, Preparation

Preparation of a column chromatography on silica gel

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Distillation at atmospheric pressure or under vacuum

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with English subtitles). In this video, you will learn to carry out a distillation. This is a technique to purify a liquid product, or sometimes a solid, depending on its boiling point. A distillation can be carried ...

Mots clés : vacuum, technical gestures, organic chemistry lab, atmospheric pressure, distillation, organic and molecular chemistry

Distillation at atmospheric pressure or under vacuum

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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 ...

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

Preparation of a sample for a liquid NMR analysis

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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 ...

Mots clés : Recrystallization, Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab

Using the Köfler hot bench

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video we will learn how to use a Köfler bench. This is an electrical device which makes it possible to determine the melting temperature of a synthetic product, either to characterize ...

Mots clés : Organic and molecular chemistry, Technical gestures, Organic chemistry Lab, Köfler hot bench

Using the Köfler hot bench

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Use of eletronic balances

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). In this video, electronic scales are presented: the classic scale and the high precision scale. Electronic scales must be handled with great care and must always be kept clean. The electronic ...

Mots clés : Organic and molecular chemistry, Technical gestures, Organic Chemistry Lab, Electronic balances

Use of eletronic balances

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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 ...

Mots clés : Drawing, Syringue

Drawing a liquid with the syringue

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Using Schlenk equipment

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 ...

Mots clés : Equipment

Using Schlenk equipment

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Using Schlenk equipment for synthesis

Description : This video is part of a series of 19 videos for technical gestures in chemistry (with French subtitles). This video will show you how to use the Schlenk material during your air sensitive syntheses. The role of cannulas and the use of filtration under an inert atmosphere will be presented.

Mots clés : Equipment, Synthesis

Using Schlenk equipment for synthesis

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