. A treatise on pharmacy for students and pharmacists. Glass separator. (Funnel shape.) Glass separator. (Globe shape. the liquids have separated into distinct layers by reason of theirdifferent specific gravities, withdrawing the lower liquid by carefullyopening the stopcock in the tube and allowing it to flow into asuitable receiving vessel. Decantation. Decantation, or the process of pouring a fluid gently from onevessel to another, is employed in pharmacy more particularly in con-nection with the washing of precipitates; sometimes it is resorted tofor the separation of immiscible liquids,
. A treatise on pharmacy for students and pharmacists. Glass separator. (Funnel shape.) Glass separator. (Globe shape. the liquids have separated into distinct layers by reason of theirdifferent specific gravities, withdrawing the lower liquid by carefullyopening the stopcock in the tube and allowing it to flow into asuitable receiving vessel. Decantation. Decantation, or the process of pouring a fluid gently from onevessel to another, is employed in pharmacy more particularly in con-nection with the washing of precipitates; sometimes it is resorted tofor the separation of immiscible liquids, but separation in such acase can never be so complete as by the method explained above. All precipitates when freshly obtained by double decomposition oftwo soluble substances, are more or less contaminated with a solutionof the other newly-formed salt; to remove such impurities the processof washing, which consists in treating the precipitate repeatedly with 10 146 GENERAL PHARMACY fresh portions of water, is employed. Thus, when solutions of leadni
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Keywords: ., bookcentury1800, bookdecade189, booksubjectpharmacy, bookyear1895
