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- W4239752423 abstract "Aliphatic amines were determined by the complex formation of the amines and SCN- with cobalt followed by atomic absorption spectrometry (AAS).Amine+4SCN-+Co2+→(Amine)2[Co(SCN)4]The recommended procedure is as follows : 0.5 ml of acetone solution of KSCN (32.6 mg/ml) and 0.5 ml of acetone solution of Co(II) {27.91 mg Co(NO3)2-6H2O/ml} are mixed in a 20-ml test tube. The solvent is evaporated on a water bath at 90°C. To this test tube is added 5 ml of benzene solution of each sample {(0.010.13) mg/ml}.After being shaken for 1 min, the benzene solution is dehydrated with anhydrous sodium sulfate. To 1 ml of this solution is added 5 ml of methanol, and finally the cobalt content is measured by AAS. No interferences were observed in the presence of 2.2 molar to 15.6 molar fold of ethanol, diethylether, acetone, acetaldehyde, ethylacetate, acetic acid, nitrobenzene, acetonitrile, or phenol and 1.4 molar fold of diphenylamine." @default.
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- W4239752423 date "1981-01-01" @default.
- W4239752423 modified "2023-10-16" @default.
- W4239752423 title "Indirect determination of aliphatic amines by atomic absorption spectrophotometry" @default.
- W4239752423 doi "https://doi.org/10.2116/bunsekikagaku.30.7_475" @default.
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