picraten.
/ˈpɪkreɪt/, U.S. /ˈpɪˌkreɪt/ Chemistry.
A salt or other derivative of picric acid.Picrates formed by combination with a metal are often explosive. Those formed by combination with an organic compound are often charge-transfer complexes which may be used to identify the organic compound concerned.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > explosive material > [noun] > other specific explosives
powdera1393
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picrate1854
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the world > matter > chemistry > organic chemistry > organic compounds > [noun] > other organic compounds > picric acid and salts
picric acid1838
picrate1854
picronitrate1864
1854 J. W. Draper Kane's Elements Chem. (Amer. ed.) 618 The crystals are..precipitated by acetate of lead; picrate of lead falls; anilate of lead remains dissolved.
1870 Daily News 27 July 6 The entrances east and west are closed by torpilles charged with picrate of potass.
1922 T. M. Lowry Inorg. Chem. xxvi. 396 The yellow colour of the ammonium picrate thus formed is compared with standard tints.
1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) ii. 172 Picric acid combines with many amines to give crystalline picrates.
1998 G. I. Brown Big Bang xii. 151 It reacted with metals to form picrates and these were liable to explode when subjected to shock or friction, detonating the remaining Lyddite.
Derivatives
piˈcrated adj. rare (of an explosive, as in a firework) containing a picrate.
ΚΠ
1890 Cent. Dict. Picrated, in pyrotechnics, mixed with a picrate as in a composition for a whistling rocket.
1997 Re: Aluminum Questions in rec.pyrotechnics (Usenet newsgroup) 6 July Someone explained to me that once a metal has been oxidized..it no longer acts as a reducing agent. However, if it is fulminated or picrated, the metal is not oxidized, but still bonded to the oxidizer.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1854