It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.
研究发现,在硫酸介质中,超痕量甲基乙
肟能灵敏地加速溴酸钾氧化
甲基黄褪色的指示反
。
It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.
研究发现,在硫酸介质中,超痕量甲基乙
肟能灵敏地加速溴酸钾氧化
甲基黄褪色的指示反
。
Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.
素
乙
原料,在酸催化的条件下合成了甘脲,产率
61.8%。
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