. An attempt to refine copper through a cuprous electrolyte . from run ,f9 was somewhat better,but also had particles of copper on its surface,which were very easily brushed off. Cathodes 7/-IO and ,t^ll showed uniformly smoothdeposits, that of #11 being slightly stained. Cathodes ,712 and ,rl3 resembled „itl and ,vllvery much, #13 being slightly stained yellow at thesides. It had been intended to investigate next thebehavior of a plain cuprous chloride solution and thenan alkaline cuprous solution. If the time permitted,but, as this was not the ccse, the experimental workended at this point.

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. An attempt to refine copper through a cuprous electrolyte . from run ,f9 was somewhat better,but also had particles of copper on its surface,which were very easily brushed off. Cathodes 7/-IO and ,t^ll showed uniformly smoothdeposits, that of #11 being slightly stained. Cathodes ,712 and ,rl3 resembled „itl and ,vllvery much, #13 being slightly stained yellow at thesides. It had been intended to investigate next thebehavior of a plain cuprous chloride solution and thenan alkaline cuprous solution. If the time permitted,but, as this was not the ccse, the experimental workended at this point. -36- Curves were plotted for every run, showingthe value of the resistance of the bath as the runcontinued. ■■ ^^^^8 ^^^^H ■■HHJIH ^^=^s^^S^^^^S ^^^^E^^^^S 9^^^B mjujjj^j fll^^l ■^■^HH ^MwB ^^^^S^^^^^^^^^^^^^^^^^^^^H lU^B ^^^^^^^Hi^^^^^l bIjwhhB mHhI mH^^Bh jmm bI^^^Mm IPHMM Siim^BIs jimjj ■^H^AHHWMMUBiHlHH HHHMj ^^m l^mlHH SraaHJE mb ■BBB^BS^H? i^^^^^^^^^^^^^^^^^^^^^^^l H88 pSSbb bS^^8 ^pBMBr^ bbbmBp HB^I SBiBBpHH jl^HBB ifSsHHI —i , o-. AM iHHiiHHHHHlHHil^BHS^BRBHB^IiHIBI 7DNV19/Siy m .. ,Yr SKSS^ggMj

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Keywords: ., bookcentury1900, bookdecade1910, bookidattempttoref, bookyear1913