washing soda

washing soda
Sodium So"di*um, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol Na ({Natrium}). Atomic weight 22.990. Specific gravity 0.97. [1913 Webster]

{Sodium amalgam}, an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise.

{Sodium carbonate}, a white crystalline substance, {Na2CO3.10H2O}, having a cooling alkaline taste, found in the ashes of many plants, and produced artifically in large quantities from common salt. It is used in making soap, glass, paper, etc., and as alkaline agent in many chemical industries. Called also {sal soda}, {washing soda}, or {soda}. Cf. {Sodium bicarbonate}, and {Trona}.

{Sodium chloride}, common, or table, salt, {NaCl}.

{Sodium hydroxide}, a white opaque brittle solid, {NaOH}, having a fibrous structure, produced by the action of quicklime, or of calcium hydrate (milk of lime), on sodium carbonate. It is a strong alkali, and is used in the manufacture of soap, in making wood pulp for paper, etc. Called also {sodium hydrate}, and {caustic soda}. By extension, a solution of sodium hydroxide. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Washing soda — Soda So da, n. [It., soda, in OIt., ashes used in making glass, fr. L. solida, fem. of solidus solid; solida having probably been a name of glasswort. See {Solid}.] 1. (Chem.) (a) Sodium oxide or hydroxide. (b) Popularly, sodium carbonate or… …   The Collaborative International Dictionary of English

  • Washing soda — Washing Wash ing, n. 1. The act of one who washes; the act of cleansing with water; ablution. [1913 Webster] 2. The clothes washed, esp. at one time; a wash. [1913 Webster] 3. (Mining) Gold dust procured by washing; also, a place where this is… …   The Collaborative International Dictionary of English

  • washing soda — n. a crystalline form of sodium carbonate * * *       sodium carbonate decahydrate, efflorescent crystals used for washing, especially textiles. It is a compound of sodium (q.v.). * * * …   Universalium

  • washing soda — n a transparent crystalline hydrated sodium carbonate called also sal soda …   Medical dictionary

  • washing soda — ► NOUN ▪ sodium carbonate, used dissolved in water for washing and cleaning …   English terms dictionary

  • washing-soda — see ↑soda • • • Main Entry: ↑wash …   Useful english dictionary

  • washing soda — washing .soda n [U] a chemical that is added to water to clean very dirty things …   Dictionary of contemporary English

  • washing soda — n. a crystalline form of sodium carbonate …   English World dictionary

  • washing soda — noun a sodium salt of carbonic acid; used in making soap powders and glass and paper • Syn: ↑sodium carbonate, ↑sal soda, ↑soda ash, ↑soda • Hypernyms: ↑salt * * * noun [noncount] : a chemical that is added to water to help clean very dirty… …   Useful english dictionary

  • washing soda — natrio karbonatas dekahidratas statusas T sritis chemija formulė Na₂CO₃·10H₂O atitikmenys: angl. sal soda; sodium carbonate decahydrate; washing soda rus. кристаллическая сода; натрия карбоната декагидрат; стиральная сода ryšiai: sinonimas –… …   Chemijos terminų aiškinamasis žodynas

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”