Determination of Small Quantities of 2-Naphthylamine, Aniline, and o-Toluidine in Certain Food Dyes

Evenson, O. L.; Kime, J. A.; Forrest, Shawn

doi:10.1021/ac50106a009

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1956

1986

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Cited by 4 publications

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“…creases appreciably as the amine content " All values are averages of 2 analyses unless otherwise noted. 6 Average of 3 analyses. " Based on pooled variance of all samples.…”

Section: Alternate Methodmentioning

confidence: 99%

“…Two procedures for the determination of 2-naphthylamine in Yellow AB and Yellow OB have been reported. The first (6) involves extraction of the amine from the dyes with dilute hydrochloric acid at 60°C. Carrying out the extraction at this temperature was considered objectionable, because the dyes are known to undergo acid hydrolysis with the release of 2-naphthylamine (9).…”

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confidence: 99%

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Aromatic Amine Impurities in Yellow AB and Yellow OB Food Dyes

Conway¹,

Lethco²

1960

Anal. Chem.

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“…creases appreciably as the amine content " All values are averages of 2 analyses unless otherwise noted. 6 Average of 3 analyses. " Based on pooled variance of all samples.…”

Section: Alternate Methodmentioning

confidence: 99%

mentioning

confidence: 99%

Aromatic Amine Impurities in Yellow AB and Yellow OB Food Dyes

Conway¹,

Lethco²

1960

Anal. Chem.

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Papilloma of the bladder in the chemical industry. Analytical methods for the determination of benzidine and β‐naphthylamine, recommended by A.B.C.M. sub‐committee

Butt¹,

Strafford²

1956

J. Appl. Chem.

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AIethods are described for the determination of benzidine a n d of $naphthylamine in (1) t h e atmnsphere, (2) plant deposits, ( 3 ) clothing. .\lthough t h e methods are primarily designed for cases xvhere it is known t h a t either benzidine or jj-naphthylamine is the sole ainine present, qualitative and senii-quantitative methods are also inclutled S I ) a s to detect and make allowance for the presence o f other aniiiies such as homologues or analogurs 111 t h e case of lieiizidine or of aniline or r-naplithylamine i n the case of p-naphthylaniine.

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