Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 9
... prepared in any one of the ways previously de- scribed ( CHEM . NEWS , lxxxii . , p . 63 ) , is rapidly filtered off through asbestos by the aid of a pump , and thoroughly washed with decinormal ammonia , and finally , once with water ...
... prepared in any one of the ways previously de- scribed ( CHEM . NEWS , lxxxii . , p . 63 ) , is rapidly filtered off through asbestos by the aid of a pump , and thoroughly washed with decinormal ammonia , and finally , once with water ...
Strona 83
... preparation of furfuranamine , C4H3O - NH2 , by an indirect method , the author now proceeds to prepare the nitrated derivative . After a number of failures , due chiefly to the excessive oxidising power of furfurane , a substance was ...
... preparation of furfuranamine , C4H3O - NH2 , by an indirect method , the author now proceeds to prepare the nitrated derivative . After a number of failures , due chiefly to the excessive oxidising power of furfurane , a substance was ...
Strona 86
... prepared with great ease , and almost without regard to conditions . In a moderately strong solution of oxalic acid a few lumps of sodium amalgam are placed , the amount taken of the latter being less than sufficient to neutralise the ...
... prepared with great ease , and almost without regard to conditions . In a moderately strong solution of oxalic acid a few lumps of sodium amalgam are placed , the amount taken of the latter being less than sufficient to neutralise the ...
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