Components:

(1) Naphthalene, C₁₀H₈; [91-20-3] NIST WebBook
(2) Water, H₂O; [7732-18-5] NIST WebBook

Original Measurements

May, W. E.; Wasik, S. P.; Freeman, D. H.; Anal. Chem. 1978, 50, 997-1000

Variables:

Ambient temperature: 25 °C

Prepared by:

A. Maczynski

Method/Apparatus/Procedure:

The dynamic coupled column liquid chromatography (DCCLC) method was based on generating saturated solutions by pumping water through a column packed with glass beads that have been coated with the component (1) (generator column). The concentration of (1) in the effluent of the generator column was measured by a modification of the coupled column liquid chromatographic process that has been described in ref 1.

Source and Purity of Materials:

1. Commercial product; less than 3% impurities.
2. Distilled over KMnO₄ and NaOH and passed through a column packed with XAD-2 (Rohm and Hass, Philadelphia, Pa).

Estimated Errors:

Ambient temperature: ±0.05°C
Mass concentration (m/v) (1): ±0.23 mg(1)/100 kg(2) (standard deviation)

References

¹ May, W.; Chesler, S.; Cram, S.; Gump, B.; Hertz, H.; Enagonio, D.; Dyszel, S.; J. Chromatogr. Sci. 1975, 13, 535.