Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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Strona 1
... metal is cast into I cwt . ingots , stamped with the quality of the tin , namely , No. 1 or 3 , together with the name of the smelter . The No. 1 quality is usually from 99.0 to 99.5 and the No. 3 from 96 0 to 96.5 per cent purity ...
... metal is cast into I cwt . ingots , stamped with the quality of the tin , namely , No. 1 or 3 , together with the name of the smelter . The No. 1 quality is usually from 99.0 to 99.5 and the No. 3 from 96 0 to 96.5 per cent purity ...
Strona 2
... Metal Exchange decided that the results as found in the Hongkong Government certificate should be binding on all purchasers , thus placing the tin sales on a firm and workable basis . Usually Chinese tin dissolves completely in ...
... Metal Exchange decided that the results as found in the Hongkong Government certificate should be binding on all purchasers , thus placing the tin sales on a firm and workable basis . Usually Chinese tin dissolves completely in ...
Strona 25
... metal , and makes only such material " ore " from which the metal may be extracted at a profit . The scientific definition may be stated as follows : - An ore is a metalliferous mineral that contains a metal that has found a recognised ...
... metal , and makes only such material " ore " from which the metal may be extracted at a profit . The scientific definition may be stated as follows : - An ore is a metalliferous mineral that contains a metal that has found a recognised ...
Strona 26
... metal is rather uniformly distributed , so that each ton mined contains about the same amount of metal , other deposits show a rather wide variation in metal con- tent throughout their extent and the value of the ore as mined varies ...
... metal is rather uniformly distributed , so that each ton mined contains about the same amount of metal , other deposits show a rather wide variation in metal con- tent throughout their extent and the value of the ore as mined varies ...
Strona 51
... metal trough on which ran a loaded roller pulled by clock- work and having a central fin . The trough was filled with cement and the ends of the roller rolled on the edges of A contribution to a General Discussion on The Setting of ...
... metal trough on which ran a loaded roller pulled by clock- work and having a central fin . The trough was filled with cement and the ends of the roller rolled on the edges of A contribution to a General Discussion on The Setting of ...
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