Spectrophotometric flow injection system for determination of Zn2+ in ophthalmic formulations using Alizarin red S
A spectrophotometric flow injection method for the determination of Zn(II) in ophthalmic formulations was developed. In this work, Zn(II) ion was complexed with Alizarin red S in borate buffer solution (pH 9.0) and the chromophore produced was monitored at 520 nm. The analytical curve was linear in...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade Estadual Paulista
2018-04-01
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| Series: | Eclética Química |
| Online Access: | https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/264 |