Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 4
... oxygen and nitrogen . With BaO , CaO , and SrO the product was quite yellow , and on moistening with water smelt very strongly of ammonia ; wih Al2O3 the product was black , but also smelt strongly of ammonia on adding water . In the ...
... oxygen and nitrogen . With BaO , CaO , and SrO the product was quite yellow , and on moistening with water smelt very strongly of ammonia ; wih Al2O3 the product was black , but also smelt strongly of ammonia on adding water . In the ...
Strona 5
... oxygen with the help of platinised quartz was tried in this laboratory , and in expert hands was found to be both rapid and accurate . The average student , however , experienced great difficulty in the conduct of the combustion , and ...
... oxygen with the help of platinised quartz was tried in this laboratory , and in expert hands was found to be both rapid and accurate . The average student , however , experienced great difficulty in the conduct of the combustion , and ...
Strona 6
... oxygen is passed at a slower rate at the beginning of the combustion . For acetanilide the following percentages were obtained : - Carbon , 7103 , 7124 ; hydrogen , 6.72 , 6.89 , the numbers for the formula CSH , NO being 71'11 and 6.67 ...
... oxygen is passed at a slower rate at the beginning of the combustion . For acetanilide the following percentages were obtained : - Carbon , 7103 , 7124 ; hydrogen , 6.72 , 6.89 , the numbers for the formula CSH , NO being 71'11 and 6.67 ...
Strona 9
... oxygen unless water is present , and , on the other hand , it cannot rust in water unless oxygen is present . An interesting summary of the opinions held by various authorities prior to 1903 has been given by Mugdan ( Zeit ...
... oxygen unless water is present , and , on the other hand , it cannot rust in water unless oxygen is present . An interesting summary of the opinions held by various authorities prior to 1903 has been given by Mugdan ( Zeit ...
Strona 10
... oxygen are present . The experiment of Dunstan and his co - workers was so carefully carried out that there seems to be no doubt that if carbonic acid plays any role whatever it is an unimportant one , and that rusting can go on with ...
... oxygen are present . The experiment of Dunstan and his co - workers was so carefully carried out that there seems to be no doubt that if carbonic acid plays any role whatever it is an unimportant one , and that rusting can go on with ...
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