Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3756Chemical news office., 1932 |
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Strona 229
... possible by the aid of a spatula to pour off the supernatant liquid and to retain the " undercream " , which mixed neither with water nor with oil . Emulsion 21 ( a ) : ( 185 hr . ) . : — ( Oil un- coloured . ) 5/5 : IVS perfect OW ( IT ...
... possible by the aid of a spatula to pour off the supernatant liquid and to retain the " undercream " , which mixed neither with water nor with oil . Emulsion 21 ( a ) : ( 185 hr . ) . : — ( Oil un- coloured . ) 5/5 : IVS perfect OW ( IT ...
Strona 231
... possible . A nickel catalyst is very sensitive to poisons , such as sulphur and carbon monoxide , whilst its surface can be ruined by gummy matters in the oil . It is usual , therefore , to purify the hydrogen unless it has been made by ...
... possible . A nickel catalyst is very sensitive to poisons , such as sulphur and carbon monoxide , whilst its surface can be ruined by gummy matters in the oil . It is usual , therefore , to purify the hydrogen unless it has been made by ...
Strona 232
... possible to hydrogenate them cheaply and rapidly and with a minimum of purification by the ... Dyeing Solvents and Formaldehyde continuous process so that the problem has rather become that of finding more exten- sive uses for ...
... possible to hydrogenate them cheaply and rapidly and with a minimum of purification by the ... Dyeing Solvents and Formaldehyde continuous process so that the problem has rather become that of finding more exten- sive uses for ...
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