荧光素

橙色或红色粉末,溶于热乙醇、乙酸和碱液,不溶于水。



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半二甲酚橙
半二甲酚橙 橙黄色粉末,能与多种金属离子络合,水溶液呈红紫色,不溶于乙醇。
姬姆氏色素
姬姆氏色素 蓝紫色粉末,溶于等量的甲醇和甘油。
次甲基蓝
次甲基蓝 深绿色结晶或结晶性粉末,带青铜光泽,无气味,溶于水、乙醇、氯仿;不溶于乙醚,水溶液为蓝色。
溴甲酚绿
溴甲酚绿 白色或浅灰色结晶,易溶于乙醇,乙醚和苯,微溶于水。
苯酚红
苯酚红 嫩红色或深红色结晶性粉末,易溶于碱溶液及乙醇、丙酮,不溶于水,作酸碱指示剂。
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