refined white alkali

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• white alkali — n. 1. refined soda ash 2. the white crust formed on some alkali soils, consisting of a mixture of sodium and magnesium sulfates and sodium chloride …   English World dictionary

• white alkali — noun 1. : a mixture of salts (as sodium sulfate, magnesium sulfate, and sodium chloride) forming a white crust on some alkali soils 2. : refined soda ash * * * 1. Agric. a whitish layer of mineral salts, esp. sodium sulfate, sodium chloride, and… …   Useful english dictionary

• white alkali — 1. Agric. a whitish layer of mineral salts, esp. sodium sulfate, sodium chloride, and magnesium sulfate, often occurring on top of soils where rainfall is low. 2. refined soda ash. * * * …   Universalium

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