American journal of pharmacy . of the terpenes distilled from the Apium petroselnium or com- 342 Rapid Determination of Sulphuric Acid. \Km-l^wn™ mon parsley. On heating with alcoholic solutions of KOH or NaOH,it is saponified with liberation of santalol, but is not affected by weakmineral or organic acids. Its boiling point is between 2500 and 260 °C. at 60 I do not pretend to have obtained an absolutely pure santalollactate, but the commercial process described is practical and theproduct all that is required for medicinal use in place of sandal-wood Brevoort, May 5, 1911. RAP
American journal of pharmacy . of the terpenes distilled from the Apium petroselnium or com- 342 Rapid Determination of Sulphuric Acid. \Km-l^wn™ mon parsley. On heating with alcoholic solutions of KOH or NaOH,it is saponified with liberation of santalol, but is not affected by weakmineral or organic acids. Its boiling point is between 2500 and 260 °C. at 60 I do not pretend to have obtained an absolutely pure santalollactate, but the commercial process described is practical and theproduct all that is required for medicinal use in place of sandal-wood Brevoort, May 5, 1911. RAPID DETERMINATION OF SULPHURIC ACID WITHTHE POROUS CLAY CRUCIBLE. By Frederick Klein, Every chemist in general will agree that up to the present ourmethods of gravimetric, and volumetric analysis are apt to havesome phase where the accuracy is in doubt, where the reaction is notfully, or in some cases purely hypothetical, and therefore not abso- POROUS CLAY CRUCIBLE THE PRECIPITATEH5LASS BELL JAR SOCALLED CARBON FILTER. SUCTION PIPEPORPUMP WITHHEAVY TUBING FIG I lutely correct; we therefore go through journals and chemicalliterature to find our way out of a labyrinth of reactions which takeplace by a simple precipitation of two bodies chemically acted uponaccording to the laws which govern these reactions, visible and ob- Am/.K,ri9Pnaraa}^(7/(/ Determination of Sulphuric Acid. 343 scure, to all our scientific endeavors, methods, instruments, abil-ity and chemically reasoning. One of the methods which is of the greatest importance and inpractical use all over the chemical world is the sulphur determinationby barium salts, the considerable time and ability spent to perfectthis one method alone would fully prove the correctness of thestatement above. In one of the latest Chemical News, the primeand most distinguished German chemical paper Chcni. Ztg., No. 135, POROUS CRUCIBLEABOUT NATURALSIZE RUBBER?TUBINGTOFASTENCRUCIBLE THE SO CALLEDCARBON FILTERGLASS BELL
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Keywords: ., bookcentury1800, bookdecade182, booksubjectpharmacy, bookyear1829
