. A treatise on pharmacy .. . 40 THE DISPENSING OFFICE. volatile active principles soon become deteriorated. Ointments alsoundergo a change under these circumstances, frequently becoming Fig. 22. Fig. 23. Fig. Tie-over jar. Flat-top covered jar. Gallipot. rancid. When tie-over jars are used, it is well to cover the top witha piece of tin-foil, or waxed paper previous to securing the skin overit; this obviates in part the disadvantages to which they are paper or paper saturated with silicate of soda (soluble glass)serves a useful purpose for capping jars, as they are to a
. A treatise on pharmacy .. . 40 THE DISPENSING OFFICE. volatile active principles soon become deteriorated. Ointments alsoundergo a change under these circumstances, frequently becoming Fig. 22. Fig. 23. Fig. Tie-over jar. Flat-top covered jar. Gallipot. rancid. When tie-over jars are used, it is well to cover the top witha piece of tin-foil, or waxed paper previous to securing the skin overit; this obviates in part the disadvantages to which they are paper or paper saturated with silicate of soda (soluble glass)serves a useful purpose for capping jars, as they are to a great extentimpervious to the air. Packages.—In addition to the medicines usually kept in bottles,jars, and boxes, there are many in the physicians outfit which areusually sent to him in paper packages, and as he is not always pro-vided with a sufficient number of drawers to appropriate one to eacharticle, they are frequently thrown together. Of these, substancespossessing a strong odor, as, for instance, valerian and serpentaria,should be kept separate from the others. Packages of this descrip-tion should be secured in two distinct papers, one of which should bethick and well glazed. When drugs are to be
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectpharmacy, bookyear186
