Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 4
... quantity of rare earth oxides from a considerable amount of titanic acid with which they were mixed , by dissolving in nitric acid and evaporating to dryness on the water - bath in a platinum basin , as one would proceed for the ...
... quantity of rare earth oxides from a considerable amount of titanic acid with which they were mixed , by dissolving in nitric acid and evaporating to dryness on the water - bath in a platinum basin , as one would proceed for the ...
Strona 6
... Quantity taken . 0 * 1866 grm . O'1492 33 0.1890 O'1733 29 99 Percentage carbon . Percentage hydrogen . 40.61 40'44 ... quantities represent about fifteen times the amount * Contributions from the Chemical Laboratories of Clark ...
... Quantity taken . 0 * 1866 grm . O'1492 33 0.1890 O'1733 29 99 Percentage carbon . Percentage hydrogen . 40.61 40'44 ... quantities represent about fifteen times the amount * Contributions from the Chemical Laboratories of Clark ...
Strona 16
... quantity necessary to produce a distinctly visible pink colour ; 1 cc . of one one - hundredth normal potassium hydroxide contains 0'00017 grm . of hydroxyl . This quantity in 500 cc . of water represents a concentration of about 035 ...
... quantity necessary to produce a distinctly visible pink colour ; 1 cc . of one one - hundredth normal potassium hydroxide contains 0'00017 grm . of hydroxyl . This quantity in 500 cc . of water represents a concentration of about 035 ...
Strona 20
... quantity of p - benzoquinone produced is diminished . Among the conclusions arrived at are , that ether is the only ... quantities Calulated from the equations with those found experi- mentally . The agreement of calculated with ...
... quantity of p - benzoquinone produced is diminished . Among the conclusions arrived at are , that ether is the only ... quantities Calulated from the equations with those found experi- mentally . The agreement of calculated with ...
Strona 31
... quantities of scandium , and , moreover , the other rocks found in the Ytterby mine , felspar , mica , and mica - schist ... quantity of mineral were put on to the arc carbon , and the photographs of the spectrum were taken as soon as a ...
... quantities of scandium , and , moreover , the other rocks found in the Ytterby mine , felspar , mica , and mica - schist ... quantity of mineral were put on to the arc carbon , and the photographs of the spectrum were taken as soon as a ...
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