 | Frederick W. Taylor M.E., Sc.D Samford E. Thompson, S. - 1916 - 952 pages
...aluminum, reduced in volume if need be, i cc. of ammonium hydroxide shall be added, the solution is brought to boiling, 25 cc. of a saturated solution...shall be filtered and washed, then with the filter is placed wet in a platinum crucible, and the paper burned off over a small flame of a Bunsen burner;... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete - 1916 - 936 pages
...aluminum, reduced in volume if need be, i cc. of ammonium hydroxide shall be added, the solution is brought to boiling, 25 cc. of a saturated solution...shall be filtered and washed, then with the filter is placed wet in a platinum crucible, and the paper burned off over a small flame of a Bunsen burner;... | |
 | Materials - 1916 - 806 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc. of ammonium hydroxide...25 cc. of a saturated solution of boiling ammonium oxalatc added, and the boiling continued until the precipitated calcium oxalate has assumed a well-defined... | |
 | American Railway Engineering Association - Railroads - 1917 - 1772 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc. of ammonium hydroxide...25 cc. of a saturated solution of boiling ammonium oxalatc added, and the boiling continued until the precipitated calcium oxalate has assumed a well-defined... | |
 | George A. Hool, Nathan C. Johnson - Concrete construction - 1918 - 1056 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide...well-defined granular form. The precipitate after 1 hr. shall be filtered and washed, then with the filter shall be placed wet in a platinum crucible,... | |
 | GEORGE A. HOOL,S.B. - 1918 - 982 pages
...instance if this is still intact. To the combined filtrate« from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide shall bo added, the solution brought to boiling, 25 cc of a saturated solution of boiling ammonium oxalate... | |
 | Arthur Horace Blanchard - Bridges - 1919 - 1710 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide...well-defined granular form. The precipitate after 1 hr shall be filtered and washed, then with the filter shall be placed wet in a platinum crucible,... | |
 | Arthur Horace Blanchard - Bridges - 1919 - 1720 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide...solution of boiling ammonium oxalate added, and the belling continued until the precipitated calcium oxalate has assumed a well-defined granular form.... | |
 | Arthur Horace Blanchard - Bridges - 1919 - 1698 pages
...stitl intact. '•*•* combined nitrates from the hydroxides of iron and aluminum, reduced in if ae*d be, 1 cc of ammonium hydroxide shall be added, the solution brought 25 ec of a saturated solution of boiling ammonium oxalate added, and the continued until the precipitated... | |
 | William Kendrick Hatt, Herbert Henry Scofield - Building materials - 1920 - 200 pages
...instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide...25 cc of a saturated solution of boiling ammonium 1 Since this procedure docs not involve the determination of silica, a second evaporation is unnecessary.... | |
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... on the filter used in the first instance if this is still intact. To the combined filtrates from the hydroxides of iron and aluminum, reduced in volume if need be, 1 cc of ammonium hydroxide shall be added, the solution brought to boiling, 25 cc of... 
