aurantia
plural of tessera
An orange coal-tar dye that is an ammonium salt of hexanitrodiphenylamine.
plural of Barb
(mineralogy) a hydrous basic nickel carbonate occurring in emerald-green incrustations or compact masses
化学者は、羊毛を鮮やかなオレンジ色に染めるために、橙色の石炭タール染料(六ニトロジフェニルアミンのアンモニウム塩)の溶液を慎重に調製した。
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