Metallurgical AnalysisMcGraw-Hill Book Company, Incorporated, 1924 - 472 sider |
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Side xiii
... dissolve is directly proportional to the pressure of the gas . This holds for all gases which do not unite chemically with the ... dissolved in water or any other dissociating solvent , a part or all of the molecules of INTRODUCTION xiii.
... dissolve is directly proportional to the pressure of the gas . This holds for all gases which do not unite chemically with the ... dissolved in water or any other dissociating solvent , a part or all of the molecules of INTRODUCTION xiii.
Side xviii
... dissolving the plating in sulfuric acid determining the loss in weight and titrating the iron dissolved . The lead and tin dissolved may be determined by the usual methods . CHAPTER XXII 170 173 THE ANALYSIS OF SPELTER 177 Methods are ...
... dissolving the plating in sulfuric acid determining the loss in weight and titrating the iron dissolved . The lead and tin dissolved may be determined by the usual methods . CHAPTER XXII 170 173 THE ANALYSIS OF SPELTER 177 Methods are ...
Side 19
... dissolves 0.0015 gram of CaC2O4 , but the presence of ( NH4 ) 2C2O4 greatly decreases this solubility . Magnesium will precipitate as oxalate in concentrated solutions ; hence , when much is present the calcium oxalate should be dissolved ...
... dissolves 0.0015 gram of CaC2O4 , but the presence of ( NH4 ) 2C2O4 greatly decreases this solubility . Magnesium will precipitate as oxalate in concentrated solutions ; hence , when much is present the calcium oxalate should be dissolved ...
Side 27
... dissolved and titrated by permanganate as in the volumetric process . When magnesium is present in considerable amount , two pre- cipitations of the CaC2O4 must be made , for the same reason that two precipitations are required in the ...
... dissolved and titrated by permanganate as in the volumetric process . When magnesium is present in considerable amount , two pre- cipitations of the CaC2O4 must be made , for the same reason that two precipitations are required in the ...
Side 30
... dissolved unless the ore contains TiO2 , in which case an insoluble compound of iron , titanium and phosphorus may remain which will not color the residue . Sometimes previous ignition of the ore will cause the ore to dissolve more ...
... dissolved unless the ore contains TiO2 , in which case an insoluble compound of iron , titanium and phosphorus may remain which will not color the residue . Sometimes previous ignition of the ore will cause the ore to dissolve more ...
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Metallurgical Analysis Nathaniel Wright Lord,Dana James Demorest Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
absorbed acetate acid solution added alkaline aluminium ammonia ammonium analysis antimony apparatus arsenic asbestos assay beaker bismuth bottle bulb burette c.c. of HCl c.c. of HNO3 c.c. of water calcium calorimeter cent Chem chloride chromium coal coke color combustion containing cool copper crucible cubic centimeters cupel determination dilute dissolved drop end point evaporate to dryness excess ferric ferrous sulfate filter and wash filter paper filtrate flask fumes furnace fusion glass gram heat to boiling hot water hydrochloric acid hydrogen sulfide hydroxide ignite iodine iron lead liquid liter manganese mercury metal method minutes MnO2 NaOH naphthalene NH4OH nickel nitric acid obtained oxide oxygen permanganate phosphorus pipette platinum potassium present reagent removed residue rubber salts sample silica silver SiO2 slag small amount sodium carbonate soluble standard steel stirring stopper sulfuric acid temperature tion titanium titration tube vanadium volume weigh wire zinc
Populære avsnitt
Side xii - The total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases in the mixture.
Side 184 - Without interrupting the current, siphon off the acid solution, at the same time filling the beakers with distilled water. Remove the cathodes quickly and rinse them in distilled water and two successive baths of alcohol. An experienced operator can quickly remove a cathode and immerse it in water without loss. Throw off the excess alcohol by a quick motion of the hand and ignite the remainder by bringing the cathode quickly to the flame of an alcohol lamp; then keep the cathode moving continually...
Side 280 - C. require larger proportions of air to gas; however, a strongly reducing atmosphere is not so essential at the higher temperatures, as refractory ashes, owing to their low iron-oxide content, are only slightly affected by oxidizing or reducing atmospheres. After a test has been completed, turn the supply of gas and air off gradually to avoid cracking the muffle crucible. The softening temperature is...
Side 279 - While such a flame is maintained above the furnace, gradually increase the temperature by a suitable adjustment of gas and air to 800° C., then reduce the rate of heat increase to not less than 5° C. and not more than 10° C. per minute. Maintain this rate until the end of the test. It is also important that the 6-in.
Side 279 - Fig. 2, place the loosely fitting cover g on the crucible, and ignite the gas. It is necessary to let the gas burn about 10 minutes to heat the furnace parts before the large cover plate of the furnace is replaced; otherwise the flame is apt to blow out. During this time increase the flow of gas and air sufficiently to cause the combustion to take place just above the tuyeres and yet maintain a yellowish flame at least 6 in.
Side 277 - ... from the top of the cylinder (excluding cover plate), and a 1-in. thermocouple hole 90 deg. to the right of the observation hole; the bottom of these two holes being in the same horizontal plane. The interior of the furnace is cylindrical and approximately 7 in. in diameter and 1 1 in.
Side 278 - ... the bottom of the crucible, and a thermocouple hole 1 in. in diameter, 90 deg. to the right of the observation hole. The bottom of this hole should be in the same horizontal plane as the bottom of the observation hole.
Side 264 - After the more rapid discharge of volatile matter has subsided, as shown by the disappearance of the luminous flame, tap the cover lightly to more perfectly seal the crucible and thus guard against the admission of air.
Side 264 - C. ± 20° C. in the crucible, as shown by a thermocouple kept in the furnace. If the determination of volatile matter is not an essential feature of the specifications under which the coal or coke is bought, a Meker burner may be used. Method For Coal and Coke, Usual Method : Weigh 1 g.
Side 415 - HC1, evaporated nearly to dryness, taken up with cold water, and any residual matter is filtered off. The solution is then boiled with oxalic acid until the gold is all precipitated. It is well to let the solution stand overnight before filtering off the gold. The gold is filtered off and the platinum, recovered by boiling the solution, which has first been neutralized with sodium carbonate, with formic acid, is then filtered off, ignited, and its weight added to that of the platinum already found....