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and not separat ing into paris. At Apothecaries' Hall, it hasinus been for so me time prepared as their substitute for Eaude Luce. It may spem to be a misnomer, that an ingredientso smali in iis quantity as the oti os amber inould form a part of the titie of the preparation.
Spiritus anisi compositus, P. L. II 87. Aqua seminum anisi composita, P. L. II45.
tit a gallon by a gentie sire.
It may here bo observed, that spiriis distilled Dom vege- table substances are impregnated with the volatile oti contained in sucti substances, and not with any other of theirmore fixed constituent paris. In their preparation it is tobe noticed, that the different volatile paris of such a chargearise at different temperatures, the spirit be re the Water, and the volatile oti at various stages, ei ther With the spirit orwater, but that after distillation they serm an Uniform trans- parent mixture, Whicli remains unchanged. The proos spirit employed ought to be pure, and iis specilla gravitv examineu before it is used.
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SPIRITUS ARMORACIAE COMPOSITUS.
Spiritus raphani compositus, P. L. II 87. Aqua raphani composita, P. L. 17 5. Ρ. L. 1 et 20.
tit a gallon by a gentie sire.
spiritus camphoratus, P. L. 1787. Spiritus vinosus campho- ratus, P. L. 1745. Spiritus vini camphoratus, P. L. 1I20.
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23 IRectified Spirit mill dissolve three-Durilis of iis meight of camplior sNeuman , and the camplior mav be precipitaledfrom sucti solution by the addition of Water.
Spiritus carui, P. L. II 8 T. Aqua Seminum carui, P. L. 1745.
Macerate for tWenty-four liours, and distila gallon by a gentie sire.
Spiritus cinnamomi, P. L. 1787. Aqua cinnamomi spiri- tuosa, P. L. 1765. Aqua cinnamomi fortis, P. L. 1720.
Tahe of Cinnamon Barii brui Sed, R POUnd. Ρroos Spirit, a gallon.
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Macerate for tWenty-four liours, and distila gallon by a gentie sire.
SPIRITUS JUNI PERI COMPOSITUS.
Spiritus Iuniperi compositus, P. L. I 787. Aqua juniperi composita, P. L. II15.
Macerate for tWenty- ur liours, and distila gallon by a gentie sire.
Spiritus lasendula, P. L. I 787. Spiritus lavendulae simplex, P. L. 1745.
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Iacerate for tWenty-four liours, and distila gallon by a gentie fire.
SΡIRITUS LAVANDULAE COMPOSITUS.
Spiritus lavendulae compositus, Ρ. L. 178I. Ρ. L. 1745. Spiritus lavendulae compositus Matthiae, P. L. t I2O,
Spiritus mentinae piperitidis, Ρ. L. I 787. Aqua menthae'Pi- peritidis spirituosa, P. L. 1745.
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Spiritus menthae salivae, P. L. G87. Aqua menthae vulgaris spirituosa, P. L. 1745.
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SPIRIT OF PENNYROYAL. Spiritus pulegii, P. L. 178I. Aqua pulegii spirituosa, P. L.
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Spiritus Rorismarini, P. L. Ι 87. P. L. 1765.
Macerate for twenty-sour liours, and distila gallon by a gentie fit C.
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during the time the arti Cles are macerating.
Tinctures cata be kept unchanged sor a great tength of time, and there re a rd a convenient form for the exhibition of those substances Whicli the menstruum has the power of dissolving. These are mostly active Paris of vegetabies, anil, in some instances, saline substances alSo, and on account of their convenience they form a large proportion of the preparations os pharmacy. There are feW instances in whichthey are given alone, and attention is to be paid to the vehiclein whicli they are administered, that they be not precipitaledor decomposed thereby. The heat to whicli they are ex- posed during their preparation ought not to exceed 80', athichthe vesset, in Whicli they are preparin g, can be kept stOP-ped without hinard. Iiecti sed spirit is set dona used fortheir preparation, but for the most part the proos or diluted spirit, in producing the effect of whicli, the water acis as veli as the alcohol, and both together extraci more effectu- atly the viriues of the drug. It has been Dund that a fort-night's maceration is amply sussicient for the agency of the menstruum; this time is theresere usualty taken, and adopted here; aster it, the clear tincture is to be sitiere d
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through paper, and hept for use, and it should not be allomedio stand upon iis ingredients in the botile untii the whole is used, as is stili the practice in Some shops. The tinctures in recti sed spirit usualty precipitate on the addition of water. The influence of a quantity os aikohol taken into the stomach is definite and stimulating, and against this essect of the menstruum the greater part of the matters dissolved init does not militate; in some instances, however, the actionof the menstruum is a secondary consideration, compared totis solvent pomers over particular articles, and it is then ein- Noyog for the purpose os dissolving substances of contrary indications to itself.
and hal f. Mater, a Pint. Rectisted Spirit, four fluido uti CeS. Macerate in a sanit,bath untii the extractis dissolved, and then Strain.
The liquorice covers the iaste cof the aloe, and helps more readily to suspend it. The spirit constitutes but 'th of the