这就是吸光度的加和性。今欲测定叶绿体色素混合提取液中叶绿素a、b和类胡萝卜素的含量,只需测定该提取液在三个特定波长下的吸光度A,并根据叶绿素a、b及类胡萝卜素在该波长下的吸光系数即可求出其浓度。在测定叶绿素a、b时为了排除类胡萝卜素的干扰,所用单色光的波长选择叶绿素在红光区的最大吸收峰。 二、材...
chlorophyll a 英 [ˈklɒrəfɪl ə] 美 [ˈklɔːrəfɪl ə]网络 叶绿素; 叶绿素 a; 叶绿素甲
Chlorophyll, any member of the most important class of pigments involved in photosynthesis, the process by which light energy is converted to chemical energy through the synthesis of organic compounds. Learn more about how chlorophyll works in this artic
chlorophyll a 美 英 un.叶绿素A 英汉 网络释义 un. 1. 叶绿素A 例句 释义: 全部 更多例句筛选
A mixture of chlorophylls a and b is best separated by chromatography on sugar, and the order is chlorophyll b elutes first followed by chlorophyll a. To an Me2CO/H2O solution of chlorophylls 200mL of iso-octane are added, and the mixture shaken in a separating funnel and the H2O is ...
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英文名称:Chlorophyll A 分子式:C55H72MgN4O5 产地:国产 品牌:PERFEMIKER 包装规格:1mg 货号:KY-0004 CAS编号:479-61-8 别名:叶绿素*;由菠菜提取的叶绿素A;叶绿素 A;叶绿素A;糊状叶绿素;葉綠素A;叶绿素A(-20℃);叶绿素 A, 来源于菠菜 产品名称: 叶绿素A,Chlorophyll A?,BR,85%|479-61-8 ...
The dynamics of quantities of a and b chlorophylls and their relations within etiolated and androgenic plants of the contrasting cultivars of Igri and Cork have been compared.Research on chlorophyll content dynamics showed that the androgenic plants of cv. Igri accumulated a higher content of ...
In this study, ascorbic acid (AA), chlorophyll a (Chl-a) and chlorophyll b (Chl-b), were assayed for Genotoxicity and antigenotoxicity, using the somatic mutation and recombination test (SMART) on Drosophila melanogaster. This test is based on the principle that the loss of heterozygosis an...
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