S A L T S.

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appears on the top, fails in Nitre. Here, when theliquor is become ready for fhooting, if a little betaken up in a fpoon as it cools, the Salt will begin tofhew itfelf in fmall threads. P.

KALI ACETATUM.Acetated Kali.

Take of Kali one pound.

Boil it, with a flow fire, in four or fivetimes its quantity of diftilled vinegar j theefFervefcence ceafing, let there be added, atdifferent times, more diftilled vinegar, un-till the firft vinegar being nearly evaporated,the addition of frefh will excite no efFervef-cence, which will happen when about twentypounds of diftilled vinegar are confumed ; af-terwards let it be dried flowly. An impureSalt will be left, which melt for a little whilewith a flow fire j then let it be difiblved inwater, and filtered through paper.

If the fufion has been rightly performed,the ftrained liquor will be colourlefs ; if o-iberwife, of a brown colour.

K 3 Laftiy,