 | Byron William Cheever - 1896 - 180 Seiten
...the volume of the solution of acetic acid (sp. gr. 1.04), and boil for a few minutes. Allow the TiO2 to settle, filter, wash with hot water containing a little acetic acid, dry, ignite and weigh as TiO2, of which 60 per cent. is titanium. Determination of Total Carbon (See illustration). — The... | |
 | Charles Frederick Sidener - 1904 - 72 Seiten
...precipitate titanium di-oxide by boiling in presz ence of sulphurous acid. Filter, ignite and weigh TiO 2 . settle, filter, wash with hot water containing a little acetic acid, dry, ignite and weigh TiO.,. ' Welter's Color Method. Dilute the solution to 500 cc with 5 per cent, sulphuric acid and mix... | |
 | Albert Howard Low - 1905 - 318 Seiten
...a flocculent condition, nearly or quite free from iron. Boil for a few minutes, allow the titantic acid to settle, filter, wash with hot water containing a little acetic acid, dry, ignite, and weigh as TiO2. Multiply this weight by 0.6005 to obtain that of the titanium. presence of a little ferric oxide,... | |
 | Albert Howard Low - 1905 - 316 Seiten
...a flocculent condition, nearly or quite free from iron. Boil for a few minutes, allow the titantic acid to settle, filter, wash with hot water containing a little acetic acid, dry, ignite, and weigh as TiO2. Multiply this weight by 0.6005 to obtain that of the titanium. If the TiOg, after ignition, appears... | |
 | Byron William Cheever - 1905 - 292 Seiten
...the volume of the solution of acetic acid (sp. gr. 1.04), and boil for a few minutes. Allow the TiO2 to settle, filter, wash with hot water containing a little acetic acid, dry, ignite and weigh as TiO,, of which 60.049 Per cent. is titanium. • Determination of Total Carbon. (See illustration).... | |
 | Nathaniel Wright Lord, Dana James Demorest - 1913 - 366 Seiten
...all iron is reduced. If not, add a few grams of Na2S203 and heat. Add a filtered solution of 20 grm. of sodium acetate and one-sixth the volume of the...minutes, allow the titanic acid to settle, filter and wash with hot water containing a little acetic acid. Dry, ignite, and weigh as Ti02 which contains... | |
 | Nathaniel Wright Lord, Dana James Demorest - 1913 - 380 Seiten
...all iron is reduced. If not, add a few grams of Na2S2O3 and heat. Add a filtered solution of 20 grin, of sodium acetate and one-sixth the volume of the solution of acetic acid (1:04 sp. gr.), and heat to boiling. The titanic acid is precipitated almost immediately in a flocculent... | |
 | Andrew Alexander Blair - 1918 - 334 Seiten
...5 cc of ammonium bisulphite. Filter into an 800 cc beaker, add ammonia until a permanent preciptate forms, redissolve with a few drops of hydrochloric...with hot water containing a little acetic acid, dry and ignite. Fuse the precipitate with a small amount of potassium bisulphate. Dissolve in water with... | |
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... (1.04 sp. gr.), and heat to boiling. The titanic acid is precipitated almost immediately in a flocculent condition and quite free from iron. Boil for a few minutes, allow the titanic acid to settle, filter, wash with hot water containing a little... 