BIOGRAPHICAL INDEX 543 



1838. Vapour-densities of ammonium and phosphonium salts, 

 519 



BLACK, JOSEPH, b. 1728 near Bordeaux; d. 1799, Edinburgh. 



Professor of Anatomy and Chemistry at Glasgow ; then 



Professor of Chemistry at Edinburgh 



1755. On Magnesia Alba (A.C.R. i.). Use of quantitative 

 methods, 297. Magnesia from mother of nitre, 

 bittern, and Epsom salts, 19, 59 ; muriate of mag- 

 nesia, 20 ; acetate of magnesia, 2 1 ; magnesia alba 

 decomposed by heat, 59 ; calcination of chalk to 

 lime, 49 ; " fixed air," in chalk, 50 ; in air and water, 

 51 ; in mild alkalis, 53, and in sal volatile, 56, 94; 

 alkalis, mild and caustic, 54 ; discovery of bicarbon- 

 ates, 109 ; alumina from alum, 60 



1757. Lectures on the Elements of Chemistry (published 1803). 

 Fixed air a product of respiration, fermentation and 

 combustion, 385 



BLEIER, O. AND KOHN, L. 



1900. Vapour-density of sulphur, 524 

 BOISBAUDRAN, LECOQ DE 



1875. Discovery of gallium, 475, 476, 477 

 BOSE, J. C. Density of steam, 527 



BOYLE, THE HON. ROBERT, b. 1627, Cork ; d. 1691, London. 

 Seventh son of the Earl of Cork, and one of the founders of the 

 Royal Society ; founder of Modern Chemistry 



1660. The Spring of the Air. New air-pump, 321 ; elasticity 



of air, 65, 320 ; its causes, 322 ; artificial gases, 65 



1661. Sceptical Chymist. The elements, 448 



1662. Defence against Linus. Boyle's Law, 324 ; air ex- 



panded by heat, 325 



1663. Experiments on Colours. Action of acids and alkalis 



on vegetable tinctures, 24 



1672. Propagation of Flame in Vacua Boyliano, 30 



1673. New Experiments to make Fire and Flame Stable and 



Ponderable. Calcination of copper, tin, iron, and 

 lead, 28 ; calcination of tin in sealed flashes, 29 

 1680. Producibleness of Chymical Principles. Definition of a 

 " salt," 3 ; vinegar upon nitre, 4 ; alkali from sea-salt, 

 60 ; properties of alkalis, 62 



The original tracts were collected by Shaw (1725) into 3 vols. 

 (abridged), by Birch into 5 vols. (1744), and again into 6 vols. 

 (1772). Quotations are taken from the original tracts, or from 

 the abridged edition (1725). 



