| 释义 |
Labarraque|labarak|
The name of Antoine Germain Labarraque (1777–1850), Fr. pharmacist, used in the possessive and with of-adjunct (also in eau de Labarraque) to denote an aqueous solution of sodium hypochlorite used as a bleach and disinfectant, also known as eau de Javelle (see Javelle).
1827Q. Jrnl. Sci., Lit. & Art I. 381 Since the notice which has been taken in this country of Labarraque's liquid, through the public journals, a person has actually forwarded to London the pretended chloride of oxide of sodium in a dry state, so cheap as to undersell the metropolitan chemists. 1863Richardson & Watts Chem. Technol. (ed. 2) I. iii. 393 Chloride of Soda, or Liquid of Labarraque. This solution may be prepared from liquid chloride of lime by double decomposition with carbonate or sulphate of soda, or by passing chlorine into a solution of caustic soda..or into a solution of carbonate of soda. 1875Labarraque's Liquor [see Javelle]. 1886Buck's Handbk. Med. Sci. II. 406/1 In the sick-room, a solution of chloride of lime..is to be recommended, both as a deodorant and as a disinfectant; or Labarraque's solution of hypochlorite of soda..may be substituted for the cheaper preparation. 1939Thorpe's Dict. Appl. Chem. (ed. 4) III. 64/2 Sodium hypochlorite solution (Eau de Labarraque, usually called Eau de Javelle). 1949Kirk & Othmer Encycl. Chem. Technol. III. 683 Sodium hypochlorite solution U.S.P. ‘contains not less than 4 per cent and not more than 6 per cent of NaClO’. This has replaced the former more dilute solution called Labarraque's solution. 1951Labarraque's solution [see Javelle]. |