CPA-mN/Chlorophosphonazo mN

English Name: CPA Mn; Chlorophosphonazo mN

Other names: 2- (4-chloro-2-phosphonate phenylazo) - 7- (3-nitrophenylazo) - 1,8-dihydroxynaphthalene-3,6-disulfonic acid

CAS No.: 77350-04-0

C22H15ClN5O13PS2=687.94

Grade: Developer

Sensitivity test for rare earth metals: acceptable

Absorbance test: acceptable

Physicochemical Properties: dark purple red powder. dissolve in water

Purpose: biochemical research. It forms a blue purple complex with rare earth elements in acid solution. Used for the determination of rare earth in nodular cast iron

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