Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 7
... carbon is spread on top of the charge in the recess , and the second charge is on until eight successive turned over on top , and so charges of roasted residue and carbon are in the recess . The contents of the recess are then ...
... carbon is spread on top of the charge in the recess , and the second charge is on until eight successive turned over on top , and so charges of roasted residue and carbon are in the recess . The contents of the recess are then ...
Strona 8
... carbon , and free sulphur . The carbon and sulphur are then burned off , and the gold and silver separated from the quartz by washing , amalgamating , or otherwise . If the extraction of the sulphate of iron is effected with boiling ...
... carbon , and free sulphur . The carbon and sulphur are then burned off , and the gold and silver separated from the quartz by washing , amalgamating , or otherwise . If the extraction of the sulphate of iron is effected with boiling ...
Strona 9
... carbon pencils placed parallel tact , and the light is produced as before . When several to each other , if the strength of the electric current , the pairs of carbons are placed in the same circuit they are , thickness of the carbons ...
... carbon pencils placed parallel tact , and the light is produced as before . When several to each other , if the strength of the electric current , the pairs of carbons are placed in the same circuit they are , thickness of the carbons ...
Strona 13
... carbon points or ignited air guilty of its production ? I find there blue bands with common salt , but they have neither the definiteness nor the brilliancy of the lithium band . When lithium wire burns in air it emits a some- what ...
... carbon points or ignited air guilty of its production ? I find there blue bands with common salt , but they have neither the definiteness nor the brilliancy of the lithium band . When lithium wire burns in air it emits a some- what ...
Strona 17
... carbon disulphide effectually prevent nitrification in certain cases , while carbolic acid is pro- bably effective to the extent in which it comes in contact with the soil . Moreover that the action of the nitrifying body does not occur ...
... carbon disulphide effectually prevent nitrification in certain cases , while carbolic acid is pro- bably effective to the extent in which it comes in contact with the soil . Moreover that the action of the nitrifying body does not occur ...
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