Chemical News and Journal of Industrial Science, Tomy 123-124Chemical news office., 1921 |
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Strona 15
... contain chlorides and sulphates of potassium and magnesium , and the upper bed sylvinite and kain- ite . The bed of ... containing 42 per cent potassium chloride , 12 to 80 metres thick . It is not very probable that the potash mines of ...
... contain chlorides and sulphates of potassium and magnesium , and the upper bed sylvinite and kain- ite . The bed of ... containing 42 per cent potassium chloride , 12 to 80 metres thick . It is not very probable that the potash mines of ...
Strona 16
... containing tungsten or molybdenum . June 11 . 15931 - Dreyfu , H. - Treatment of products of cellulose deriva- tives ... containing hydrochloric or sulphuric acid as described in Specification 127641 to extract the lead and part of the ...
... containing tungsten or molybdenum . June 11 . 15931 - Dreyfu , H. - Treatment of products of cellulose deriva- tives ... containing hydrochloric or sulphuric acid as described in Specification 127641 to extract the lead and part of the ...
Strona 24
... containing the alternating current to be analysed . The speed of the interrupter is then slowly varied over the whole range of frequency under investigation . When the interruptions syn- chronise with any component of the current , the ...
... containing the alternating current to be analysed . The speed of the interrupter is then slowly varied over the whole range of frequency under investigation . When the interruptions syn- chronise with any component of the current , the ...
Strona 31
... contain as much as 40 per cent of a lignin which is strongly resistant to great density of soda at temperatures as high as 170 ... containing all the objectionable staining matter referred to Such a system has for long been recognised as ...
... contain as much as 40 per cent of a lignin which is strongly resistant to great density of soda at temperatures as high as 170 ... containing all the objectionable staining matter referred to Such a system has for long been recognised as ...
Strona 51
... containing potash , especially leucite , so rapidly and profoundly , by heating them with solutions of salts of soda at a high temperature and under pressure , that the re- action is practically utilisable to obtain potassic fertilisers ...
... containing potash , especially leucite , so rapidly and profoundly , by heating them with solutions of salts of soda at a high temperature and under pressure , that the re- action is practically utilisable to obtain potassic fertilisers ...
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