A LED based photometer for solid phase photometry: zinc determination in pharmaceutical preparation employing a multicommuted flow analysis approach
In this work, a LED (light emitting diode) based photometer for solid phase photometry is described. The photometer was designed to permit direct coupling of a light source (LED) and a photodiode to a flow cell with an optical pathlength of 4 mm. The flow cell was filled with adsorbing solid phase m...
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| Format: | article |
| Language: | eng |
| Published: |
2012
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532012000800014 |
| Country: | Brazil |
| Oai: | oai:scielo:S0103-50532012000800014 |