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High pressure liquid chromatographic determination of 4,4'-(diazoamino)-dibenzenesulfonic acid in FD&C yellow no. 6. 1977

D M Marmion

Fourteen analysts from 9 laboratories evaluated a high pressure liquid chromatographic procedure for the determination of 4,4'-(diazoamino)-dibenzenesulfonic acid (DAADBSA) in FD&C Yellow No. 6. Each collaborator analyzed 5 samples nominally containing 0-0.050% DAADBSA. The repeatability and reproducibility of the method are estimated to be 0.003% and 0.020%, respectively. The method has been adopted as offical fist action.

UI MeSH Term Description Entries
D009282 Naphthalenesulfonates A class of organic compounds that contains a naphthalene moiety linked to a sulfonic acid salt or ester.
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D004124 p-Dimethylaminoazobenzene A reagent used mainly to induce experimental liver cancer. According to the Fourth Annual Report on Carcinogens (NTP 85-002, p. 89) published in 1985, this compound "may reasonably be anticipated to be a carcinogen." (Merck, 11th ed) Butter Yellow,Dimethylaminoazobenzene,4-Dimethylaminoazobenzene,Methyl Yellow,p-Dimethylaminoazobenzene, (E)-Isomer,p-Dimethylaminoazobenzene, (Z)-Isomer,4 Dimethylaminoazobenzene,p Dimethylaminoazobenzene
D005505 Food Coloring Agents Natural or synthetic dyes used as coloring agents in processed foods. Coloring Agents, Food,Food Colorants,Agents, Food Coloring,Colorants, Food
D001391 Azo Compounds Organic chemicals where aryl or alkyl groups are joined by two nitrogen atoms through a double bond (R-N Azo Dye,Azo Dyes,Compounds, Azo,Dye, Azo,Dyes, Azo

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