Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
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Strona 2
... blue mass , of wax - like con- sistence . It was left for some time over sulphuric acid without undergoing any change , and in this state sub- mitted to analysis . Calculated for Found . Va04,3SO , 15H2O . H2O ( loss at 100 ° in 24 ...
... blue mass , of wax - like con- sistence . It was left for some time over sulphuric acid without undergoing any change , and in this state sub- mitted to analysis . Calculated for Found . Va04,3SO , 15H2O . H2O ( loss at 100 ° in 24 ...
Strona 3
... blue crystals , or the soluble modification , dried at 125 ° , placed in a thin test - tube and submerged in a bath of boiling vitriol or molten lead ( 330 ° ) , slowly lose water containing a little sulphuric acid , but the ...
... blue crystals , or the soluble modification , dried at 125 ° , placed in a thin test - tube and submerged in a bath of boiling vitriol or molten lead ( 330 ° ) , slowly lose water containing a little sulphuric acid , but the ...
Strona 16
... blue , green , red , white , yellow , and brown produced from this radical . Some of these tints are , however , very far from being beautiful ; thus we have a dirty , dark yellowish brown . Other shades may be described as brownish ...
... blue , green , red , white , yellow , and brown produced from this radical . Some of these tints are , however , very far from being beautiful ; thus we have a dirty , dark yellowish brown . Other shades may be described as brownish ...
Strona 17
... blue colour . The second objection is the evolution of cyanogen and hydrocyanic acid . Although I have not applied this method in quantitative separations of copper , cadmium , and bismuth , yet I see no reason why it should not be a ...
... blue colour . The second objection is the evolution of cyanogen and hydrocyanic acid . Although I have not applied this method in quantitative separations of copper , cadmium , and bismuth , yet I see no reason why it should not be a ...
Strona 19
... blue colour is then apparent in the etherial solution I add a few drops of strong hydric nitrate and a few more drops of hydric peroxide , and re - agitate the whole , when , if a chromate be present , a blue colour will develop itself ...
... blue colour is then apparent in the etherial solution I add a few drops of strong hydric nitrate and a few more drops of hydric peroxide , and re - agitate the whole , when , if a chromate be present , a blue colour will develop itself ...
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action added alcohol ammonia amount analysis apparatus appears applied beam becomes bismuth body carbon cent CHEMICAL Chemistry chloride College colour communication complete compound consists containing continued copper course described determination dilute direction dissolved effect employed examination excess experiments fact filter further given gives glass grms heat hydrochloric acid hydrogen Improvements inches increase iron known lead less light lime liquid London manner manufacture material matter means meeting mercury metal method mineral mixed mixture nature notice observed obtained ordinary oxide oxygen passed phosphate potassium powder practical precipitate prepared present produced Prof pure quantity radiometer reaction reduced remarks salt separated Society soda sodium soluble solution substance sulphate sulphuric acid surface taken temperature tion tube weight yellow