the Nitrous Acid.

3 ?

SECTION III.

Some Phenomena attending the Solution ofMetals in Nitrous Acid.

S the discovery of fixed sir in cal-

JT V. carious substances threw new lightupon many phenomena in chemistry, inlike manner the discovery of every otherkind of ajr, and indeed of every propertyof any of them, must throw light uponthose processes in which they are con-cerned. Not being a professed chemist,and attending only to such articles in thatbranch of knowledge as my own pursuitsare particularly connected with (thoughthese necessarily grow more' various andextensive continually) such illustrations ofchemical processes are not so likely to occurto me, as they are to others, who by theirprofession give a general attention to everything within the whole compass of che-mistry. Such, however, as I have had oc-casion to attend to, and which I imagine I

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