Buch 
2 (1840) The vegetable and animal materia medica / by Jonathan Pereira
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1315

THE WHITE POPPY.

Ir^cetate of morphia is usually prepared by evaporating its solution todii r „ es f b .V a gentle heat. Obtained in this way it is amorphous. -«ol„‘. u 1 1° obtain pure, as it readily undergoes decomposition, wfeha] 10n evaporated, and is converted into a mixture of morp ia \

C(, lrn Cela -te, and the super-acetate of morphia. Hence, as meaci ! Cl ' C( b it is imperfectly soluble in water, unless a few drops of acetica re b f a< Med. It is usually slightly coloured. Its crystals, when pme,; c ^urle SS an d radiating. The following is the composition of this

-- nr. Per Cent.

'll

Morphia .

Acetic acid ..Water

salt

Atoms.

... 11

-^tatelf Morphia.-

r J stallized acetate of morphia is, , . , i ,.r

HpS' re "'Hly dissolved in water- Its oilier properties are such as

mi —Ph. L.

hi.

Eq- H T t

100 00

\\fy

ffissolvcd in water. Its other properties »—

It j s l

The ti\f- s °I u hle in alcohol than in water,salt ln ^ Ur ffh College gives the following characters of the purity of

One

a -“i mmce of water and

fi

tC ■'"‘"inis et i mea * ures of a solution of ten grains in half a fluid ounce of water and'0*’ yield° f . acet ‘ < : ac ’ l b heated to 212°, and decomposed by a faint excess of am-,5ur es of n V- Station a precipitate which, in twenty-four hours, occupies 15‘a

ll) e liquid.

y - - J

* Sur es of^tlj^p a gi ta tiou a precipitate >.

^ T ma* Q PlU . jB Hi 'i>ROCHLORAS, L. Morphia Murias. In the London n j. this salt is directed to be prepared as follows:—

W^^iein^n" 1 : ? licet h lb. j.; Crystals of Chloride of Lead, gij., or as much as may

h .. ur *tied Animal Charcoal, giijss.; Hydrochloric Acid ; Distilled Water;

■ —.... he sufficient. Macerate the opium in four

—. 1 = flin-est for twenty

ii 6 " f On

l ll ,.-- c ie , n. I V m ^ I,c ^Jb.j.; Crystals of Chlorine oiNu* 011 °f An uri Animal Charcoal, giijss.; Hydrochloric Acid ; uisim... ....

°f distil) 11 ? 011 ' 8 ’ eac '* as m, ich as may be sufficient. Macerate the opium in four

ed water for thirty hours, and bruise it; afterwards digest for twenty■ .remains again, and a third time, in water,’ H- Evaporate the

C* of ’.j- Amr "__

U>a t Fs ."ater for thirty hours, anil iinn.i.

*iii t '* Olay P r ess it. Macerate what remains ajjain, and a thirij nine, ».» —

from taste, and as often bruise and press it. Evaporate the

l 5 la,®f disti]|’j Vlt " a * leat °f 140°, to the consistence of a syrup. Then add three

ed water, and. when all the impurities have subsided, po! '

—.« of chloride of lead

i taste, and as one.. _

tj, di s tjj|’ .' viln a neat m 140°, to the consistence of a syrup, inch .

'I h i u °r. r ,Wat , er ’ an( b when all the impurities have subsided, pour off the super*mj es uffi c i e , ^dually add to this two ounces of chloride of lead, or as much as. , first dissolved in four pints of boiling distilled water, till nothing"'a t H’ Ua ted. Pour off the liquor, and wash what remains frequently

: f <4 * t ‘W ter - Then evaporate the mixed liquors as before, with a gentle•2f)s> 'fled VVa( s Dla y be formed. Press these in a cloth, then dissolve them in a pint'liat’ a >id straj,, 1 ^ digest, with an ounce and a half of animal charcoal, in a heat of^Par- e Cr ystal’ ^ ma by, the charcoal being washed, evaporate the liquors cautiously,p rev j S be produced. To the liquor poured off from the crystals first

^' s i a- 13 ’^ re QUe U E fl'ixcd with a pint of water, gradually drop in as much solution ofK ; ' s btd with*!)- s ^ la i'i |1 g h, as may be sufficient to precipitate all the morphia. To, ,f c<j ]^ es t it .. ‘billed water, add hydrochloric acid, that it may be saturated : after-v b ^ e ' n g th ll " tW ° oun(:es °I animal charcoal, and strain. Lastly, the animal- 6 Pfuduced " as ljed, evaporate the liquors cautiously, that pure crystals

cJ V Me r ex ‘

; a p a ae ^ s from opium the meconate and sulphate of morphia andf^Qina • ^ le narcotin , of the meconine, of the narceine, and of\\jft oil \y| C I* rown acid extractive; and a part of the resin , and ofa ] itt , chl °ri<le of lead is added to infusion of opium, meco-

i tie sulphate of lead, and some resinous colouring matter,

of morphia and of codeia are

-*- 1 " ’ c 'ben decomposed by