Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3772Chemical news office., 1932 |
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Strona 53
... effect as benzole or alcohol and is 500 times as efficient as benzole . MOTOR VEHICLES . The following statistics of motor vehicle registrations show the extent to which the use of the petrol engine has multiplied dur- ing the last ...
... effect as benzole or alcohol and is 500 times as efficient as benzole . MOTOR VEHICLES . The following statistics of motor vehicle registrations show the extent to which the use of the petrol engine has multiplied dur- ing the last ...
Strona 60
... effects of variation of time , temperature and proportion of soap to liquid and material were ascertained and also the effect of the presence of water in ( a ) the cleaning spirit , ( b ) the material and ( c ) the soap . Ammonia soaps ...
... effects of variation of time , temperature and proportion of soap to liquid and material were ascertained and also the effect of the presence of water in ( a ) the cleaning spirit , ( b ) the material and ( c ) the soap . Ammonia soaps ...
Strona 61
... effect . ( 3 ) With this proportion of soap the maximum cleaning effect is produced in 20-30 min . and at a temperature of 25 ° - 30 ° C. ( 4 ) The best soap is a potash soap in which 5-10 % of fatty acid is unsaponified . Any good ...
... effect . ( 3 ) With this proportion of soap the maximum cleaning effect is produced in 20-30 min . and at a temperature of 25 ° - 30 ° C. ( 4 ) The best soap is a potash soap in which 5-10 % of fatty acid is unsaponified . Any good ...
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