See also:KUNKEL (or KUNCKEL) VON LOWENSTJERN, JOHANN (1630-1703)
, See also:German chemist, was See also:born in 1630 (or 1638), near See also:Rendsburg, his See also:father being alchemist to the See also:court of See also:Holstein
.
He became chemist and See also:apothecary to the See also:dukes of See also:Lauenburg, and then to the elector of See also:Saxony, Johann Georg II., who put him in See also:charge of the royal laboratory at See also:Dresden
.
Intrigues engineered against him caused him to resign this position in 1677, and for a See also:- TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
- TIME, MEASUREMENT OF
- TIME, STANDARD
time he lectured on See also:chemistry at See also:Annaberg and See also:Witten-See also:berg
.
Invited to See also:Berlin by See also:Frederick See also:- WILLIAM
- WILLIAM (1143-1214)
- WILLIAM (1227-1256)
- WILLIAM (1J33-1584)
- WILLIAM (A.S. Wilhelm, O. Norse Vilhidlmr; O. H. Ger. Willahelm, Willahalm, M. H. Ger. Willehelm, Willehalm, Mod.Ger. Wilhelm; Du. Willem; O. Fr. Villalme, Mod. Fr. Guillaume; from " will," Goth. vilja, and " helm," Goth. hilms, Old Norse hidlmr, meaning
- WILLIAM (c. 1130-C. 1190)
- WILLIAM, 13TH
William, in 1679 he be-came director of the laboratory and See also:glass See also:works of See also:Brandenburg, and in 1688 See also:Charles XI. brought him to See also:Stockholm, giving him the See also:title of See also:Baron von Lowenstyern in 1693 and making him a member of the See also:council of mines
.
He died on the loth of See also:March 1703 (others say 1702) at Dreissighufen, his See also:country See also:house near See also:Pernau
.
See also:Kunkel shares with See also:Boyle the See also:honour of having discovered the See also:secret of the See also:process by which See also:Brand of See also:Hamburg had prepared See also:phosphorus in 1669, and he found how to make artificial See also:ruby (red glass) by the See also:incorporation of See also:purple of See also:Cassius
.
His See also:work also included observations on putrefaction and See also:fermentation, which he spoke of as sisters, on the nature of salts, and on the preparation of pure metals
.
Though he lived in anatmosphere of See also:alchemy, he derided the notion of the See also:alkahest or universal solvent, and denounced the deceptions of the adepts who pretended to effect the transmutation of metals; but he believed See also:mercury to be a constituent of all metals and heavy minerals, though he held there was no See also:- PROOF (in M. Eng. preove, proeve, preve, &°c., from O. Fr . prueve, proeve, &c., mod. preuve, Late. Lat. proba, probate, to prove, to test the goodness of anything, probus, good)
proof of the presence of " See also:sulphur comburens."
His See also:chief works were Oeffentliche Zuschrift von dem Phosphor Mirabil (1678) ; Ars vitriaria experimentalis (1689) and Laboralorium chymicum (1716)
.
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