Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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Strona 10
... mineral resources available as sources of potash may be divided into two classes- ( 1 ) Soluble salts , ( 2 ) Insoluble ... minerals , the two chief groups being- ( 1 ) potash felspar ; ( 2 ) silicates of lime and soda . Felspars are of ...
... mineral resources available as sources of potash may be divided into two classes- ( 1 ) Soluble salts , ( 2 ) Insoluble ... minerals , the two chief groups being- ( 1 ) potash felspar ; ( 2 ) silicates of lime and soda . Felspars are of ...
Strona 12
... Mineral Silicates . - In the Journal of Industrial and Engineering Chemistry ( October 1 , 1917 , vol . ix . , No. 10 ) a paper by J. C. W. NOTE . - All degrees of temperature are Centigrade unless otherwise Fraser , W. W. Holland , and ...
... Mineral Silicates . - In the Journal of Industrial and Engineering Chemistry ( October 1 , 1917 , vol . ix . , No. 10 ) a paper by J. C. W. NOTE . - All degrees of temperature are Centigrade unless otherwise Fraser , W. W. Holland , and ...
Strona 13
... minerals by means of his novel apparatus , temperatures being estimated by the linear expansion of the strip of heated platinum foil upon which the small test grains were placed . The melting - point was estimated by noting the ...
... minerals by means of his novel apparatus , temperatures being estimated by the linear expansion of the strip of heated platinum foil upon which the small test grains were placed . The melting - point was estimated by noting the ...
Strona 25
... minerals in which the valuable mineral occurs , and must of necessity be mined from the ore body to recover the valuable mineral . The nature and the kind of gangue minerals are often important in deter . mining details of ore ...
... minerals in which the valuable mineral occurs , and must of necessity be mined from the ore body to recover the valuable mineral . The nature and the kind of gangue minerals are often important in deter . mining details of ore ...
Strona 26
... mineral deposit may be high , the deposit may be so small that its development is not warranted . The situation of ... minerals is treated by gold milling in which concentration is part of the process . The gold milling may include the ...
... mineral deposit may be high , the deposit may be so small that its development is not warranted . The situation of ... minerals is treated by gold milling in which concentration is part of the process . The gold milling may include the ...
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