Výsledky vyhledávání - "H H Wendy Yang"

Determination of Aniline, 4-Aminoazobenzene, and 2-Naphthol in the Color Additive D&C Red No. 17 Using Ultra-High-Performance Liquid Chromatography

Autor: H.-H. Wendy Yang, Adrian Weisz

Publikováno v: Journal of AOAC INTERNATIONAL. 101:1961-1966

Specifications in the U.S. Code of Federal Regulations for the color additive D&C Red No. 17 (R17, Colour Index No. 26100) limit the levels of the dye’s intermediates, aniline (AN), 2-naphthol (β-naphthol, BN), and 4-aminoazobenzene (4AAB), to 0.2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b20f5cec7b3d932146d2b92bdb45bbbf
https://doi.org/10.5740/jaoacint.17-0502

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Determination of Organic Impurities in Anthraquinone Color Additives D&C Violet No. 2 and D&C Green No. 6 by Ultra-High Performance Liquid Chromatography

Autor: H H Wendy Yang

Publikováno v: Journal of AOAC INTERNATIONAL. 100:230-235

A new practical and time-saving ultra-high performance liquid chromatography (UHPLC) method has been developed for determining the organic impurities in the anthraquinone color additives D&C Violet No. 2 and D&C Green No. 6. The impurities determined

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf5722bfa2d508ad1fb8cb8d636c9dc2
https://doi.org/10.5740/jaoacint.16-0067

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Conventional high-performance liquid chromatography versus derivative spectrophotometry for the determination of 1,3,6-pyrenetrisulfonic acid trisodium salt and 1,3,6,8-pyrenetetrasulfonic acid tetrasodium salt in the color additive D&C Green No. 8 (Pyranine)

Autor: Simion Jitian, H.-H. Wendy Yang, Adrian Weisz, Samuel R. White

Publikováno v: Journal of Chromatography A. 1324:238-241

Specifications in the U.S. Code of Federal Regulations for the color additive D&C Green No. 8 (Colour Index No. 59040) limit the levels of the subsidiary colors 1,3,6-pyrenetrisulfonic acid trisodium salt (P3S) and 1,3,6,8-pyrenetetrasulfonic acid te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a1fcf81d33dc20cf2476b2b358bc42a
https://doi.org/10.1016/j.chroma.2013.11.033

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Autor: Simion, Jitian, Samuel R, White, H-H Wendy, Yang, Adrian, Weisz

Publikováno v: Journal of chromatography. A. 1324

Specifications in the U.S. Code of Federal Regulations for the color additive DC Green No. 8 (Colour Index No. 59040) limit the levels of the subsidiary colors 1,3,6-pyrenetrisulfonic acid trisodium salt (P3S) and 1,3,6,8-pyrenetetrasulfonic acid tet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::79003e35a9b2b6a4f591a7c9e438705d
https://pubmed.ncbi.nlm.nih.gov/24315677

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