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Purification and Characterization of meta-Cresol Purple for Spectrophotometric Seawater pH Measurements
[Image: see text] Spectrophotometric procedures allow rapid and precise measurements of the pH of natural waters. However, impurities in the acid–base indicators used in these analyses can significantly affect measurement accuracy. This work describes HPLC procedures for purifying one such indicator...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
American Chemical Society
2011
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3103190/ https://www.ncbi.nlm.nih.gov/pubmed/21563773 http://dx.doi.org/10.1021/es200665d |