Chemical News and Journal of Physical Science, Tom 117Chemical news office., 1918 |
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Strona 1
... cent purity . When tin is bought the native firm is approached for a lot of 5 to 25 or more tons . The Chinese vendor sets aside the appropriate number of ingots , tells the pur chaser he may test them how he pleases , and that when the ...
... cent purity . When tin is bought the native firm is approached for a lot of 5 to 25 or more tons . The Chinese vendor sets aside the appropriate number of ingots , tells the pur chaser he may test them how he pleases , and that when the ...
Strona 6
... cent ; benzol , 90 per cent ; benzol , 50 per cent ; benzol , straw colour ; toluol , pure ; toluol , commercial ; toluol , straw colour ; xylol , pure ; xylol , commercial ; solvent naphtha ; crude solvent naphtha ; hi - flash naphtha ...
... cent ; benzol , 90 per cent ; benzol , 50 per cent ; benzol , straw colour ; toluol , pure ; toluol , commercial ; toluol , straw colour ; xylol , pure ; xylol , commercial ; solvent naphtha ; crude solvent naphtha ; hi - flash naphtha ...
Strona 8
... cent of sulphur and not over I per cent of arsenic . The price payable will be 35s . per ton of pyrites f.o.r. for quentities of not less than one truck load ; but the Minister reserves the right to revise the price after 31st December ...
... cent of sulphur and not over I per cent of arsenic . The price payable will be 35s . per ton of pyrites f.o.r. for quentities of not less than one truck load ; but the Minister reserves the right to revise the price after 31st December ...
Strona 11
... cent , the iron content not more than o'r per cent . All the British felspars are of the monocline type except the Roche deposit in Cornwall , which is orthoclase . The chiet deposits in Scotland are in the vacinity of Loch Lanford ...
... cent , the iron content not more than o'r per cent . All the British felspars are of the monocline type except the Roche deposit in Cornwall , which is orthoclase . The chiet deposits in Scotland are in the vacinity of Loch Lanford ...
Strona 26
... cent of the gold in the ore are not infrequent . In smelting processes these figures may be increased . In milling processes the recovery of the silver ranges from 60 to 92 per cent , and more in exceptional instances , whereas in ...
... cent of the gold in the ore are not infrequent . In smelting processes these figures may be increased . In milling processes the recovery of the silver ranges from 60 to 92 per cent , and more in exceptional instances , whereas in ...
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