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锌在蛋白质和核酸的代谢过程中起着重要的作用。本文推荐两种新的水溶性的杂环偶氮染料作为分光光度法测定锌的灵敏试剂:1-(2′,3′-二羟基吡啶-4′-偶氮)-4-苯磺酸(DH
Zinc plays an important role in the metabolism of proteins and nucleic acids. Two novel water-soluble heterocyclic azo dyes are recommended as sensitive reagents for the determination of zinc by spectrophotometry: 1- (2 ’, 3’-dihydroxypyridine-4’-azo) DH