Spot Tests in Organic Analysis, Volume 2;Volume 1958

acetaldehyde acetic acid acid hydrazide acid solution Acta added alcohol aldehyde aliphatic alkaline solution ammonia Anal aniline aqueous bases benzene benzidine calcium carbon disulfide carboxylic acids Chem chloride chloroform chromotropic acid citric acid color appears color reaction concentrated sulfuric acid condensation containing COOH cyanide derivatives detected dilute dimethylglyoxime dissolved drop dyes ester ether ethyl evaporation Feigl filter paper fluorescence formaldehyde formation formed groups H₂O heated hydrazine hydrochloric acid hydrogen sulfide hydroxide inorganic iodide iodine ions Limit of Identification materials metal micro test tube microcrucible Mikrochim minutes mixture NH₂ nickel nitrate nitro nitrogen organic compounds oxalic oxidation oxine phenols potassium precipitate present Procedure pyridine quantities react reagent solution residue rhodamine salicylaldehyde sample sensitive silver small amounts solid soluble spot plate spot reactions spot test analysis sulfate sulfonic sulfuric acid test solution thiocyanate ultraviolet light unpublished studies urea violet color volatile warmed yellow yield