General chemistry

General chemistry

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General chemistry

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Chemistry; General chemistry

An amorphous form of carbon , made of carbon atoms bound hexagonally in sheets (like chickenwire).

An organic compound used as an acid-base indicator. The compound is colourless in acidic solution and pink in basic solution (with the transition occuring around pH 8.3). Phenolpthalein was used for ...

Weak ligand

Chemistry; General chemistry

A ligand that causes a small crystal field splitting which results in a high-spin complex .

Crystal field theory

Chemistry; General chemistry

The color, spectra, and magnetic properties of metal-ligand complexes can be explained by modelling the effect of ligands on metal's d orbital energies.

Limit of quantitation

Chemistry; General chemistry

The smallest detectable concentration an analytical instrument can determine at a given confidence level. IUPAC defines the quantitative detection limit as Cld = ks/m, where k is 10, s is the ...

Solvent extraction

Chemistry; General chemistry

Solvent extraction is a method for separating mixtures by exploiting differences in the solubilities of the components. For example, a coffee machine extracts the soluble components of ground coffee ...

Band spectrum

Chemistry; General chemistry

An emission spectrum that contains groups of sharp peaks that are so close together that they are not distinguishable separately, but only as a "band".