Absorption spectra in the ultraviolet an
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G. Duyckaerts
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Article
📅
1962
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Elsevier Science
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English
⚖ 194 KB
the rhodamine B-nitrite reagent, mix well and allow to stand for 30 min. Add x0.0 ml of the extraction solvent and shake the funnel for about I min. Run the organic phase into a dry centrifuge tube and centrifuge for ca. z min. Measure the optical density of the solution in a r-cm cell at 565 rnp ag