General chemistry

General chemistry

Industry: Chemistry

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General chemistry

Nitrate

Chemistry; General chemistry

1. The NO3- ion, formed by reaction of nitric acid with a base . 2. A compound containing the NO3- ion, for example ammonium nitrate, NH4NO3.

A device that separates isotopes (e.g. 235U from 238U) by ionising the sample, accellerating the ions in a strong electric field, and then passing them through a strong magnetic field. The magnetic ...

Primary standard

Chemistry; General chemistry

A stable, high-purity material used in titrations and other chemical analyses to prepare solutions of precisely known concentration, or to determine the concentrations of substances which react with ...

Endpoint

Chemistry; General chemistry

The experimental estimate of the equivalence point in a titration .

Nitric acid

Chemistry; General chemistry

A corrosive liquid with a sharp odour that acts as a strong acid when dissolved in water. Nitric acid is used to synthesise ammonium nitrate for fertilizers, and is also used in the manufacture of ...

Capacitor

Chemistry; General chemistry

A device for storing electric charge, consisting of two metal plates separated by an insulating material.

Hygroscopicity

Chemistry; General chemistry

The ability of a substance to absorb moisture from air. For example, sodium hydroxide pellets are so hygroscopic that they dissolve in the water they absorb from the air.