Welcome to our Lab category, a haven for scientific exploration and experimentation. Step into the world of hands-on discovery where theory meets practice. Unleash your curiosity as we delve into laboratory techniques, equipment, safety protocols, and experimental procedures. From conducting chemical analyses to synthesizing compounds, this category provides valuable insights and resources to enhance your laboratory skills. Immerse yourself in the exciting realm of scientific investigation and unlock the wonders of the lab today.
What is recrystallization? In a typical laboratory experiment, a solid that separates from the reaction crude is usually accompanied by impurities, so it is necessary to carry out purification (recrystallization). By means of a technique called recrystallization, many solids can be purified using pure solvents or solvent mixtures. Recrystallization is based on the different solubility … Read more
What is a lab notebook? A very relevant aspect in the work developed in an experimental science, such as Organic Chemistry, is the annotation of the results obtained. Although the daily laboratory work requires certain skills, however, if the student is not able to organize, analyze and draw the appropriate conclusions from these experiments in … Read more
What is vacuum distillation? Vacuum distillation is a technique for the purification or separation of liquids or solvents with a boiling point above 150 ºC, or with a lower boiling point but which are thermally unstable. Vacuum pumps can be used as a vacuum source. Mounting schematic diagram Vacuum distillation devices can have different configurations … Read more
What is Thin layer chromatography (TLC)? Thin layer chromatography (TLC) is one of the most popular variants of liquid-solid chromatography,[1] and its most frequent uses are: To determine the components of a mixture. To monitor the progress of a reaction. Follow the course of a reaction. Determine the appropriate conditions for the separation of mixtures … Read more
Objective To know techniques of magnetic agitation and separation of two immiscible liquids by decantation for the preparation of biodiesel from vegetable oils. Background Biofuels are an alternative to fossil fuels as an energy source. In theory, vegetable oils could be used as fuel, but due to their high viscosity, they cannot be used directly. It … Read more
Objective Learn how different organic compounds can be isolated according to their acid-base properties, which change their solubility in organic and aqueous solvents, by liquid-liquid extraction. 3D structure 3D structure 3D structure 3D structure Background Liquid-liquid extraction is one of the most common basic operations in the organic chemistry laboratory, since many reactions involve … Read more
Objective To learn how different organic compounds can be isolated according to their acid-base properties, which change their solubility in organic and aqueous solvents, using the liquid-liquid extraction technique. Background Liquid-liquid extraction is one of the most common basic operations in the organic chemistry laboratory, since many reactions involve the use of this technique for … Read more
Objective To learn how different organic compounds can be isolated according to their acid-base properties, which change their solubility in organic and aqueous solvents, using the liquid-liquid extraction technique. 3D structure 3D structure 3D structure 3D structure Background Liquid-liquid extraction is one of the most common basic operations in the organic chemistry laboratory, … Read more
Objective The objective of this experiment is the realization of a condensation between an acid anhydride (acetic anhydride) and an aromatic aldehyde (benzaldehyde) (Perkin reaction or Perkin condensation) in order to synthesize cinnamic acid. Background Cinnamic acid and cinnamaldehyde are natural constituents of cinnamon oil. In this practical, we will proceed to the synthesis of … Read more
Objective To familiarize the student with the preparation of Grignard reagents and their reaction with carbonyl compounds to form alcohols, in particular the synthesis of triphenylmethanol (an alcohol) from bromobenzene. 3D Structure Background One of the most popular methods for forming C-C bonds in organic synthesis is by using Grignard reagents (Nobel Prize in Chemistry … Read more
