Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3750Chemical news office., 1932 |
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Strona 130
... century . Agricola describes and classifies ores ( the necessary preliminary to all analysis ) and gives full instructions for assaying them . Some of his remarks are curious . The Analyst should close the door of his room lest someone ...
... century . Agricola describes and classifies ores ( the necessary preliminary to all analysis ) and gives full instructions for assaying them . Some of his remarks are curious . The Analyst should close the door of his room lest someone ...
Strona 131
... century the fact that tannin ( tea ) , gave an inky colour with iron , is said to have been discovered by accident , when a tea party used chalybeate water . Prussian Blue was discovered in 1710 by Diesbach of Berlin , and investigated ...
... century the fact that tannin ( tea ) , gave an inky colour with iron , is said to have been discovered by accident , when a tea party used chalybeate water . Prussian Blue was discovered in 1710 by Diesbach of Berlin , and investigated ...
Strona 132
... century we must look at Organic analysis . Here , as we should expect , the development was slow ; the substances were mainly ex- tremely complex . The theoretical back- ground , the ideas of a vital force , the view that in the organic ...
... century we must look at Organic analysis . Here , as we should expect , the development was slow ; the substances were mainly ex- tremely complex . The theoretical back- ground , the ideas of a vital force , the view that in the organic ...
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