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A Special Pipette for Measurement
Studies on Adsorption from
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acetic acid acetone acid solution added adsorbed adsorption aldehyde aldehydes and ketones alkaline alkaloids aluminum chloride amine amount analysis ascorbic acid barium sulfate benzene boiling bond bromine calcium Calculated carbon atoms cent Chem chemical Chinese Chem chloride colorless compounds concentrated condenser cooling copper crystals deep color DEPARTMENT OF CHEMISTRY determined dilute dissolved dried electrons ester ether ethyl alcohol EXPERIMENTAL extracted fibroin filtered filtrate flask fluorine fraction grams halogen Hanfangchin heated hydrazine hydrochloric acid hydrogen hydrolysis insoluble iodide iodine content ketone liquid LITERATURE CITED melting point method mixture molecule needles from 95 nitrate nitrogen obtained organic oxide plates potassium precipitate prepared present procedure protactinium protein quinone reagent recrystallized residue salt sample silk fibroin sodium hydroxide soluble solvent subs sulfuric acid temperature tion titanium Tseng tube washed water-bath weight White yellow yield