Chemical Engineers' HandbookJohn Howard Perry McGraw-Hill book Company, Incorporated, 1941 - 3029 pagine |
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Pagina 578
... Precipitate Transfer to a test tube and add Add 3 cc . water . Filter Dilute to 55 cc . Heat in a water bath ; pass in H2S . Filter Precipitate If no precipitate forms , antimony is absent . Proceed as under filtrate Precipitate is ...
... Precipitate Transfer to a test tube and add Add 3 cc . water . Filter Dilute to 55 cc . Heat in a water bath ; pass in H2S . Filter Precipitate If no precipitate forms , antimony is absent . Proceed as under filtrate Precipitate is ...
Pagina 580
... precipitate in flask ; heat ; add 0.5 cc . KClO3 powder ; filter Precipitate If no precipitate forms , Mn is absent . Proceed with fil- trate Precipitate is MnO2 -black . Pour through filter 5 cc . hot HNO3 with 10 drops 3 per cent H2O2 ...
... precipitate in flask ; heat ; add 0.5 cc . KClO3 powder ; filter Precipitate If no precipitate forms , Mn is absent . Proceed with fil- trate Precipitate is MnO2 -black . Pour through filter 5 cc . hot HNO3 with 10 drops 3 per cent H2O2 ...
Pagina 581
... Precipitate If no precipitate shows on filter , barium is ab- sent Precipitate is BaCrO4 Dissolve in 5-10 cc . hot HCl ; evaporate to dry- ness ; reprecipitate as above with one - half the amount of reagents Precipitate BaCrO4 ...
... Precipitate If no precipitate shows on filter , barium is ab- sent Precipitate is BaCrO4 Dissolve in 5-10 cc . hot HCl ; evaporate to dry- ness ; reprecipitate as above with one - half the amount of reagents Precipitate BaCrO4 ...
Sommario
Mathematical Signs and Symbols | 3 |
Natural Logarithms of Numbers | 36 |
Values and Logarithms of Expo | 46 |
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acetate acid alcohol aldehydes amines ammonia angle benzene bromide calculated Carbon cent chart Chem Chemical Engineering chloride circle coefficient Common Logarithms compounds Compounds-(Continued constant curve density diam diameter dimensions entropy equal equation equilibrium ether Ethyl Ethyl chloride Example factor flange flow fluid Formula fraction free energy fugacity gage gases given heat capacity heat of vaporization HNO3 hydrogen Inorganic insol ketone latent heat length linear liquid Logarithms measured metal meter method mixture molal obtained orifice oxide phase Phenol pipe Precipitate Radians radius reactants reaction salts scale side sodium solid Solubility solution specific heat standard substances sulfate Sulfur sulfuric acid surface temperature tion triangle tube units values vapor pressure velocity viscosity volume weight