Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 2
... compounds and their component elements . He should become acquainted with the physical properties of these chemical substances and the employment of these proper ties in the identification , separation , and purification of chemical ...
... compounds and their component elements . He should become acquainted with the physical properties of these chemical substances and the employment of these proper ties in the identification , separation , and purification of chemical ...
Strona 3
... compounds . The same may be said of the explosive manufacturers and the firms which produce synthetic drugs . " The creed of Malthusian chemistry has obtained so much support among British chemists that it is worth while to analyse the ...
... compounds . The same may be said of the explosive manufacturers and the firms which produce synthetic drugs . " The creed of Malthusian chemistry has obtained so much support among British chemists that it is worth while to analyse the ...
Strona 13
... compounds by giving to salvarsan its numerical synonym of 606. Before obtaining the optimum therapeutic effect he had had to prepare and examine 605 organic arsenicals , many of these being new compounds specially synthesised for the ...
... compounds by giving to salvarsan its numerical synonym of 606. Before obtaining the optimum therapeutic effect he had had to prepare and examine 605 organic arsenicals , many of these being new compounds specially synthesised for the ...
Strona 14
... compounds with hydrogen in the presence of catalysts . Already it is claimed that when nitrobenzene distilled in steam is passed together with hydrogen over finely- divided nickel heated at 120 ° , an almost theoretical yield of aniline ...
... compounds with hydrogen in the presence of catalysts . Already it is claimed that when nitrobenzene distilled in steam is passed together with hydrogen over finely- divided nickel heated at 120 ° , an almost theoretical yield of aniline ...
Strona 30
... compounds of kafir , Andropogon sorghum , has shown that fully one - half of them are soluble in hot 70 per cent alcohol . The soluble nitrogen consists in great part of a new alcohol - soluble protein , the percentage composition of ...
... compounds of kafir , Andropogon sorghum , has shown that fully one - half of them are soluble in hot 70 per cent alcohol . The soluble nitrogen consists in great part of a new alcohol - soluble protein , the percentage composition of ...
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