Table of ContentsTHEORYChargeDischarge The broad general distinction between primary and secondary batteries lies in the fact that in the former the current is produced by
The chemistry of cyanide solutions is complicated because the cyanide ion forms compounds and complexes with many elements. Some cyanide species are highly toxic whereas
Invented and first put into use, a “new and useful improvement in rotary ore roasting furnaces,” which was intended “to increase the capacity, effectiveness and
Flotation and depression control of arsenopyrite through pH and xanthate as the collector. Arsenopyrite Rejection
Table of ContentsAluminium Weight-Testing MachineAluminium Impact-Testing MachineAluminium VS Rigidity, Hardness, Brittleness and TemperAluminium ElasticityAluminium ResilienceComparative Bar Elasticity Under Stress by Dead Weight & Live LoadProportions of the
Table of ContentsPROCEDURE FOR ASSAYING GOLD IN GOLD BULLIONPROCEDURE FOR ASSAYING GOLD IN JEWELLERYGOLD ASSAY REPORT This standard prescribes the cupellation or fire assay method
Table of ContentsFrameTubJigElevatorsJigging This Conkling Jig (ore-concentrating machine or jig), as it is called, is not entirely unknown, having been used at several places with
Table of ContentsSpectroscope to Identify RARE METALSThallium by SpectroscopyTungsten by SpectroscopyRhodium by SpectroscopyPalladium by SpectroscopyOsmium by SpectroscopyIridium by SpectroscopyTellurium by SpectroscopySelenium by SpectroscopyMolybdenum by SpectroscopyBeryllium or Glucinium SpectroscopyZirconium SpectroscopyThorium by SpectroscopeYttrium SpectroscopySpectroscopy of TitaniumSpectroscopy of UraniumLithium by SpectroscopeAPPARATUS
PREPARATION OF SOLUTION FOR BASES 1. Boil the finely-divided substance in distilled water. 2. If insoluble, add ¼ its bulk of strong HCl and boil for
Note 1. Do not boil with Na2CO3 unless necessary. If only alkalies are present it is unnecessary. Note 2. If organic acids and Groups I.
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