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单词 gold orange
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> as lemmas

gold orange
gold orange n. any of a number of synthetic dyes of a golden orange colour; esp. = methyl orange n. at methyl n. Compounds 3.
ΚΠ
1880 Textile Colorist 2 183/2 Gold orange (Orange III., Tropæoline D, Helianthine), a derivative of dimethylaniline.
1974 Amer. Biol. Teacher 36 416/2 Bathe for 2 minutes in a bath composed of clove oil saturated with a mixture of 9 parts Orange II (gold orange or tropaeolin OOO No. 2) and 1 part 1% fast green FCF [= for coloring food] in 100% alcohol.
2013 Jrnl. Industr. & Engin. Chem. 19 1433/2 Methyl Orange..is also known as.., Helianthine B, Orange III, Gold orange and Tropaeolin D. This dye is an azo dye.
extracted from goldn.1adj.
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