介绍1990年以来变色酸双偶氮显色剂在稀土分析中应用的进展，着重介绍了新出现的显色剂。
In this paper, the development of using bi azo chromotropic acids as chromogenic reagents in re determination was reviewed, especially the new reagents introduced after 1990.
用显色络合物络合比和试剂结构研究并初步探讨了不对称变色酸双偶氮类衍生物与贵金属元素的络合机理。
The complexing mechanism of unsymmetric bis-arylazo derivative of chromotropic acid and precious metal elements was studied using composition ratio of the color complex and constitution of reagents.
一种基于双偶氮苯聚合物可擦除的双光子偏振多元、多阶、多层光存储技术。
The invention relates to an erasable two-photon polarized multivariate, multistage and multilayer optical storage technology based on a bisazo benzene polymer.
作为不对称变色酸双偶氮试剂的二溴硝基偶氮氯膦与金属钯可发生显色反应，而与同属铂系元素的其他五种金属的显色反应并不明显；
DBNCPA of asymmetry acid bis-diazo reagent have the color reaction with the metal palladium, but have not obvious color reaction with other five kind of metal elements of the platiniridium.
合成了一种新的双冠醚，氧化偶氮双苯并15 -冠- 5。初步探讨了它的光异构现象及其对稀土和碱金属离子的萃取能力。
Azoxybisbenzo-15-crown-5 was synthesized. Photoinduced trans-cis isomerization as well as its ability to extract alkali metals and rare earth metals' were dis-cussed.
合成了一种新的双冠醚，氧化偶氮双苯并15 -冠- 5。初步探讨了它的光异构现象及其对稀土和碱金属离子的萃取能力。
Azoxybisbenzo-15-crown-5 was synthesized. Photoinduced trans-cis isomerization as well as its ability to extract alkali metals and rare earth metals' were dis-cussed.
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