21-
OS A :\hit
O V E R F L O W PIPETTE.
oxygen itself as the main topic of iiiqnii*y,I was more intent upon establishing tile thesis that whensoever :Ltmiil: oxygen is produced in the presence of air a n d water, oxoiic’, Iiyiirogeii IierosiAe and ammonium nitrite are necessarily :iiitl si:ii,ilt:iiico~isl3.forined as secondary products. This Iiypotliesis led I W to rititicipate, i n entire ignorance o f 1Iolye-Scylet~’sh I ) u r s , tiic fornintiott of II?O, mheu i t ) catititact w i t i t w:iIvr ant1 nir, to ~ : i l l : t d i u m - l i y ~ ~ r ois ~ eagitatctl ti estal~lislitlic fact of its forniatioii b y esperinient:il l>roof,and t o determine qwntitativcly its amount. 1 tliiiik it riot itivitlious, nor an uncliic cletrnctioit from t h c iiierits of IIoppe-Seyler’s discoveries, to claim for ntyself priority i i i thc t w o i;mw poiiitq. 8Tb I ~ s ~ r l Er r(11‘ TIKII z OLCl I , I I )eccmbcr 12; lB3.
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The 11 ell known 01erflow l’ipettcs (if chy-Liissac and Stas, whilst ad:iptcJ for t l i ~nccui.atc niea5111~niciit nncl clclicacy of a giren voliinic of a so1iitioii, :ire I i o t so tit for the ii\c of corrosive fluitls, aiicl aie iiot eci4i! cxteiiilmiwtl froin materials commonly found iii a Liboratoi y T I w foll01\ iiig lilpcttc~I \ c ~ ~ ~ ) e c ~ . .