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用植物色素制取代用酸碱指示剂
Preparation of Alternate Acid-Base Indicator by Using Plant Pigment
【摘要】 简述了从植物中提取色素代用指示剂的方法 ,并测定了多种植物色素在不同 p H值范围内的变色情况。
【Abstract】 A method of abstracting plant pigment as alternate indicator was described, and the change of colour at different pH ranges in various plant pigmentes was measured.
【关键词】 植物色素;
酸碱指示剂;
变色范围;
测试;
【Key words】 plant pigment; acid-base indicator; colour range; analysis;
【Key words】 plant pigment; acid-base indicator; colour range; analysis;
- 【文献出处】 云南师范大学学报(自然科学版) ,JOURNAL OF YUNNAN NORMAL UNIVERSITY (NATURAL SCIENCES EDITION) , 编辑部邮箱 ,2000年05期
- 【分类号】O652
- 【被引频次】17
- 【下载频次】992