Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
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Strona 16
... mixed with concentrated mineral acids , as hydrochloric , the whole solidifies to a crystalline paste of ammonium chloride and hydrated formic acid . On the other hand , when dry ammonium formate is heated to 392 ° F. , it is almost ...
... mixed with concentrated mineral acids , as hydrochloric , the whole solidifies to a crystalline paste of ammonium chloride and hydrated formic acid . On the other hand , when dry ammonium formate is heated to 392 ° F. , it is almost ...
Strona 17
... mixing it with 50 to 60 per cent sulphur , I succeeded several times in obtaining a very fine red coat , closely resembling the bismuth coat . The objections to my scheme , so far as I have been able to find out , are , that students do ...
... mixing it with 50 to 60 per cent sulphur , I succeeded several times in obtaining a very fine red coat , closely resembling the bismuth coat . The objections to my scheme , so far as I have been able to find out , are , that students do ...
Strona 27
... mixed by the action of the machine and took up any excess of free acid . He thought that the output , even of the furnace which Messrs . Jones now had at work , could be very largely increased by a better draught . He thought Messrs ...
... mixed by the action of the machine and took up any excess of free acid . He thought that the output , even of the furnace which Messrs . Jones now had at work , could be very largely increased by a better draught . He thought Messrs ...
Strona 29
... mixed together ? Was all the salt put in at first , and a small quantity of acid added from time to time till all had been added ? Or were the salt and acid put in in small quantities ? Mr. WALSH - We put in two tons of salt first to ...
... mixed together ? Was all the salt put in at first , and a small quantity of acid added from time to time till all had been added ? Or were the salt and acid put in in small quantities ? Mr. WALSH - We put in two tons of salt first to ...
Strona 31
... mixed with the weed that the great loss is due . In fact , silica at high temperatures reacts upon the iodides , producing alkaline - earthy silicates , and eliminating a certain quantity of iodine . The author , therefore , proposes ...
... mixed with the weed that the great loss is due . In fact , silica at high temperatures reacts upon the iodides , producing alkaline - earthy silicates , and eliminating a certain quantity of iodine . The author , therefore , proposes ...
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