Summary
The elution characteristic of sodium nitrite has been investigated in order to confirm the utility of sodium salts for void-volume measurement in reversed-phase HPLC. The elution time of 50 ppm sodium nitrite solution gives the column void time with water and water-methanol as the eluents, while higher concentration is preferable when using methanol as the eluent.
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Jinno, K. Elution characteristic of sodium nitrite in reversed-phase HPLC with aqueous methanol as the mobile phase. Chromatographia 17, 367–369 (1983). https://doi.org/10.1007/BF02262374
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DOI: https://doi.org/10.1007/BF02262374