用层析法检验DBC-偶氮氯膦，纯产品只有一个单一的蓝色斑点。
The purity of DBC-chlorophosphonazo was checked by chromatography and a single blue band was obtained for the pure product.
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.
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.
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