Figure - available from: Foundations of Chemistry
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![Glauber’s sublimation (a) and distillation (b) ovens for incombustible materials of low volatility. (a) A ash tray, B port for adding coals, C port for adding materials, e.g., metals, which are placed directly on the hot coals, to be sublimed as “flowers”, D exit of the furnace, EFGH the receiving pots, F and H with attached, concentric basins for cooling water. (b) A-D as in (a), E a cover for the oven hole, F a pipe to the first receiver, GHI receivers as in (a), K a stool with a hole for the spirit to drip though the connector L into the receiver M. O the place where the pipe is to be connected for distillation of spirit of vitriol [sulfuric acid] from vitriol or alum. P a grid to support solids to be placed on or above the hot coals in the furnace. Concentrated hydrochloric acid was prepared by throwing coals impregnated with brine directly on the fire and distilling the spirit (Glauber 1646 and 1661a)](publication/376314582/figure/fig2/AS:11431281247491669@1716862059118/Glaubers-sublimation-a-and-distillation-b-ovens-for-incombustible-materials-of-low.png)
Glauber’s sublimation (a) and distillation (b) ovens for incombustible materials of low volatility. (a) A ash tray, B port for adding coals, C port for adding materials, e.g., metals, which are placed directly on the hot coals, to be sublimed as “flowers”, D exit of the furnace, EFGH the receiving pots, F and H with attached, concentric basins for cooling water. (b) A-D as in (a), E a cover for the oven hole, F a pipe to the first receiver, GHI receivers as in (a), K a stool with a hole for the spirit to drip though the connector L into the receiver M. O the place where the pipe is to be connected for distillation of spirit of vitriol [sulfuric acid] from vitriol or alum. P a grid to support solids to be placed on or above the hot coals in the furnace. Concentrated hydrochloric acid was prepared by throwing coals impregnated with brine directly on the fire and distilling the spirit (Glauber 1646 and 1661a)
Source publication
Compelling evidence is presented that Glauber worked as a laborator (laboratory assistant) for Landgrave Georg of Hesse-Darmstadt from 1632/33 till he was appointed apothecary in Giessen in 1635. During this time, he was also used as laborator by the landgrave’s personal physician, Helwig Dieterich. Glauber became a famous chemist, whose alchemical...
