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- [2] SEPARATION, IDENTIFICATION, AND ESTIMATION OF AROMATIC FOOD PRESERVATIVES AND SORBIC ACID BY PAPER CHROMATOGRAPHY AND ULTRAVIOLET SPECTROPHOTOMETRY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1962, 45 (04): : 902 - &
- [3] SEPARATION, IDENTIFICATION, AND ESTIMATION OF AROMATIC FOOD PRESERVATIVES AND SORBIC ACID BY PAPER CHROMATOGRAPHY AND ULTRAVIOLET SPECTROPHOTOMETRY JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1962, 45 (04): : 902 - 905