Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 6
... determined by filtering 700 cc . of the water through tared papers . The residue is washed , dried at 110 ° C . , and weighed , then burnt and weighed again . The weight in centi- grammes gives grains per gallon , and the difference ...
... determined by filtering 700 cc . of the water through tared papers . The residue is washed , dried at 110 ° C . , and weighed , then burnt and weighed again . The weight in centi- grammes gives grains per gallon , and the difference ...
Strona 7
... determined in 350 c.c. of the boiled and filtered there is a depression of about 6 inches , forming a recess , water , calculated into dry sulphate , and added which extends half way over the reverberatory furnace , and on to solids ...
... determined in 350 c.c. of the boiled and filtered there is a depression of about 6 inches , forming a recess , water , calculated into dry sulphate , and added which extends half way over the reverberatory furnace , and on to solids ...
Strona 11
... determined . VOL . XXXIX . No. 998 . DISCUSSION OF THE WORKING HYPOTHESIS THAT THE SO - CALLED ELEMENTS ARE COMPOUND ... determine whether the last - named lines proceeded from the same or diflerent molecules ; and I added that it was ...
... determined . VOL . XXXIX . No. 998 . DISCUSSION OF THE WORKING HYPOTHESIS THAT THE SO - CALLED ELEMENTS ARE COMPOUND ... determine whether the last - named lines proceeded from the same or diflerent molecules ; and I added that it was ...
Strona 18
... determined gravimetrically by precipita- tion as sulphide , solution in hydrochloric acid , re - precipita- tion as caibonate and estimation as proto - sesquioxide , was 31.50 per cent , instead of 34'66 , the theoretical amount . The ...
... determined gravimetrically by precipita- tion as sulphide , solution in hydrochloric acid , re - precipita- tion as caibonate and estimation as proto - sesquioxide , was 31.50 per cent , instead of 34'66 , the theoretical amount . The ...
Strona 24
... determined by a standard solu- tion of permanganate of potash acting for three hours . MEETINGS FOR THE WEEK . MONDAY , Jan. 13th . - Medical , 8.30 . i ondon Institution , 5 . Geological , 8 . TUESDAY , 14th . - Civil Engineers , 8 ...
... determined by a standard solu- tion of permanganate of potash acting for three hours . MEETINGS FOR THE WEEK . MONDAY , Jan. 13th . - Medical , 8.30 . i ondon Institution , 5 . Geological , 8 . TUESDAY , 14th . - Civil Engineers , 8 ...
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