selectivity of reagent

英 [sɪˌlɛkˈtɪvɪti ɒv riˈeɪdʒənt]

美 [sɪˌlɛkˈtɪvəti əv riˈeɪdʒənt]

【化】试剂的选择性

New technology of potential-controlled flotation, which is of better selectivity and of lower reagent consumption, is very important field of mineral processing to develop in new century.
正在研究和发展中的电位调控浮选新技术，具有选择性好、药剂耗量低，是本世纪矿物加工领域重要发展方向。
The selectivity of the method may be increased by addition of thiocarbamide as masking reagent and pre-separation of the interferential elements using NH_3-NH_4Cl. This method is simple, rapid and accurate.
加入硫脲作掩蔽剂和用NH3-NH4CI预分离干扰元素可提高方法的选择性。
The selectivity and sensitivity was improved, and the matrix interference was basically eliminated by optimizing the amount of PEG solution, sodium sulfate, chromogenic reagent, the acidity of the system and other factors.
通过对PEG溶液用量、硫酸钠用量、显色剂的用量、体系的酸度等影响因素的优化，提高了选择性和灵敏度、基本消除了基体干扰。