YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
法定食用水溶性タール色素のペーパークロマトグラフによる系統的分離鑑識
石田 行雄稲垣 尚起塩田 秋彦渡辺 玲子
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ジャーナル フリー

1953 年 73 巻 7 号 p. 736-740

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Japanese official water-soluble food colors were divided chemically into four groups by the existing A.O.A.C. method. Each of the groups was developed by paper chromatography (ascending method) using a different solvent for each group and divided into each dye. The isolated dye on the filter paper was detected by its Rf value and colorations with conc. HCl, conc. H2SO4, 10% NaOH, or dil. ammoniac water. It was found through this study that the Rf values were dependent on the molecular weight and dissociation constant. Examples of isolation of marketed mixed dyes by this method are given.

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© by the PHARMACEUTICAL SOCIETY OF JAPAN
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