Crown Ether: Definition, Preparation, Uses

Crown ether

Crown ethers are heterocyclic chemical compounds composed of a ring with several ether groups. The most frequent crown ethers are ethylene oxide oligomers with the repeating unit ethylene oxy (-CH2CH2O-). They have the general formula (OCH2CH2)n or (OCH2CH2CH2)n. Pederson synthesized … Read more

Quantitative Analysis: Definition, Methods, Advantages

Quantitative analysis

Quantitative analysis is a branch of chemistry concerned with determining the amount or percentage of one or more elements in a sample. In chemistry, quantitative analysis determines the amount of various chemical components contained in a given sample. Quantitative chemical analysis … Read more

Qualitative analysis: Methods, Types, Examples

Qualitative analysis

Qualitative analysis is an important chemical analysis component in organic and inorganic chemistry. The qualitative analysis provides information about the chemical compound’s quality. The qualitative analysis examines the chemical makeup of a material. It denotes the presence of various elements or sets … Read more