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Strona 157
In preliminary experiments it was found that bismuth trioxide had no appreciable
oxidising action on uranous salts . Table I . contains results obtained by titrating
with permanganate the uranous solution left after reducing with zinc a measured
...
In preliminary experiments it was found that bismuth trioxide had no appreciable
oxidising action on uranous salts . Table I . contains results obtained by titrating
with permanganate the uranous solution left after reducing with zinc a measured
...
Strona 246
The lead sulphate which was only slightly It has been observed , as referred to
before , that the active at first , greatly increased in radio . activity in the tiny
needle - shaped crystals which were first formed ap course of ten months . The
bismuth ...
The lead sulphate which was only slightly It has been observed , as referred to
before , that the active at first , greatly increased in radio . activity in the tiny
needle - shaped crystals which were first formed ap course of ten months . The
bismuth ...
Strona 248
The lead sulphate , separated from bismuth i To turn to the pegmatites , I find that
they are composed and containing the radio - lead , weighed o ' 49 grm . The of
orthoclase felspar ( a mineral which gives the whole polonium precipitated with ...
The lead sulphate , separated from bismuth i To turn to the pegmatites , I find that
they are composed and containing the radio - lead , weighed o ' 49 grm . The of
orthoclase felspar ( a mineral which gives the whole polonium precipitated with ...
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acetic acid action added addition Address alcohol amount Analysis apparatus appears application atomic bismuth boiling carbon carried cent CHEMICAL Chemistry chloride colour combination complete compounds concentration containing copper corrosion determined direct dissolved effect excess experiments extraction fact Farringdon Street filtered furnace further give given glass heating hydrogen important increase industry Institution interesting iron Laboratory lead less London manufacture material matter means Meeting metal method mgrms mixture nature nitric nitrogen obtained Office ordinary oxide physical possible practical precipitate prepared present Price Prof properties published pure quantity radium reaction reduced removed salts sample separated shown Society sodium soluble solution steel Street substance sulphate sulphide sulphuric sulphuric acid Table temperature tion titration tube volume weight zinc