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Untitled Article
explains the general character of ibis class of kp < jic % j ; J ^ ptv tE ey " are purified from thfti ^ ores ; and how classed by modern chemists : the twenty * three different metals ara then separately treated of under five distincj ^ eads * viz . how each metal is procured ; what is the nature of each ; what is the effect
of oxygen upon each metal ; the salts formed by each separate metal ; and the particular uses of lach * The whole having thus bpen succinctly treated of , the general properties of this class of bodies are recapitulated , and the obvious advantages which we dei ¦ .... o . — ;
rive from them enumerated ; together with the various means which nature hath adopted , in order to render these bodies sub . servient to our wants , and capa bje of ministering to our comfort and gratification . The chapter concludes with reflections on
** the } < astonishing properties of oxygen , whereby the Author of Nature hath not only supplied pur wants arid administered to out comforts , but even to our luxuries /'
Chap . XI . "Of Oxides , " ex . plains the riafciire of oxides £ treats of the oxidlzement of metals , and thfeir sub&eqtient solution in acids ; of the de-oxidizement and reducit
tion of metallic oxides ^ also explains the nature of the other kftown oxides , and concludes Mrith a reflection on the multiform propertit ^ , of oxygen * 4 C which efcafole it not only to peifqrm for US ari infinite number of valuable
and important offices , but to be come oue of tUe ^ i ; uu ] agents of detroitipositton and destruction /* Chfcp . XII . ' " Of Combustiopx , comniences with a definir tkxa ofe cwaWtiistiQa ^ a 4 of the i 4 if »
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vision of combystibles as dossed by thodern chemists ; pf the sua ^ porters of corn ^ UstiOii ; , ojj £ inc hattfre ^ opei-ation , agd eitegts <^ f comtustion ; of tfie origin apej nature of light j and of the de . oxidizement and unburnirig of bodies . The chapter concrud ^« with reflections qii the indestruc *
tibility of matter by combustion , and " on the wisdom of that Being who has so effectually preT vented the destruction of thos ^ elementary princi p les which ar ^ actually essential to the preserva * tion of the world . *
Chap . Xili . '*« OF 4 ttracUon f Repulsion , and Chemicaf ^ -4 ffi * wtyr * commences with aa account of the different kinds pJT attraction , and explains the dif * ference between attractioii of co hesion and the attraction of com *
position : it thence gpes to th ) 5 laws of chemical affinity , and treats of simple affinity , com * pound affinity , and c 3 isppsin |; faF-i Unity . The nature of quiescent attractions and diveljent attrac *
ti . ons are then explained ; also the uses of the tables of chemical &f » finities . The nature of repulsio" ^ is then considered , and the u $ e $ olf t | iat property of matter . The whole concludes with reflections on the planetary attraction ^ a'ii ^ on u the energy of that oninipote r ^ t Being who had wisdon ^ to cpn ^ trive , and ability to endue tie matter he had formed with the astonishing jppwer of operating upon it £ " fcllovv-matter eitlier in
contact , or when separated by the infinity ofspape . " In treating these various sub * jeets , Mr . Parkes exhibits a fcrigh degree of science . H ^* w rljt ^ s wjth 3 e ^ se aucT , correctness ^ # iul J ^ cxplaiinn ^ the most ab * U usepa ^ U
Untitled Article
ss / ? Chemical Oatechifm +
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Citation
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Monthly Repository (1806-1838) and Unitarian Chronicle (1832-1833), Jan. 2, 1807, page 32, in the Nineteenth-Century Serials Edition (2008; 2018) ncse-os.kdl.kcl.ac.uk/periodicals/mruc/issues/vm2-ncseproduct2376/page/32/
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