アミン系老化防止剤の比色定量

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書誌事項

タイトル別名
  • COLORIMETRIC DETERMINATION OF AMINE ANTIOXIDANTS
  • アミンケイ ロウカ ボウシザイ ノ ヒショク テイリョウ

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抄録

Some common amine antioxidants were estimated quantitatively by photoelectric colorimetry. The colors were formed for three naphtylamine class antioxidants by coupling with diazonium salt of sulfanilic acid, and for phenylenediamine class antioxidants by oxidation with benzoylperoxide.<br>Results obtained from acetone extracts of stocks containing known amounts of antioxidants coincided fairly well with calculated values except for the stocks containing aldol-α-naphtylamine. It was assumed that some parts of compounded aldol-α-naphtylamine were changed chemically during vulcanization and acetone extraction.<br>Possibliity of estimation of each component of mixed antioxidants of naphtylamine and diphenylamine were also investigated.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 35 (10), 774-778, 1962

    一般社団法人 日本ゴム協会

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