i6S

Preparations of

Mix in a glafs veffel, and fet it afide untillthe Quickfilver is diffolved. Let therh boil,that the falt may be diflblved. Pour out theboiling liquor into a glafs veffel, into whichanother boiling liquor has been put before,confifting of,

Sea-falt, by weight, four ounces.Diftilled Water eight pints.

After a white powder has fubfided to thebottom of the veffel, let the liquor fwim-ming at the top be poured out, and the re-maining powder be wafhed, tili it becomes in-fipid, with frequent affufions of hot water -,then dried on blotting paper with a gentleheat.

M

K.

This is the Mercurius dulcis fraciptatus of thePharm. Land. fol. 1721, p. 145,— adopted by theEdinburgh, 1744, under the narae of 'Merc. pracip,albus, — and, fince that, by the Swedißo Difpenfa-tory, afcer the improvement of Mr. Scheele, underthe narae of 'Mercurius dulcis.

Mr. Scheele's diredtion is, — that, when the acidappears no longer to aft upon the Quickfilver, the

folution