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对—硝基萘重氮氨基偶氮苯是一种高灵敏度的偶氮类显色剂,简称为Cadion2B.该试剂能与金属离子银、镉、汞形
Nitro-naphthalene Diazoaminoazobenzene is a highly sensitive azo-based developer, referred to as Cadion2 B. This reagent can react with the metal ions silver, cadmium, mercury