SDS Volume (951)

Volume 38. Hydrocarbons in Water and Seawater, Part II, p None

Original Measurements

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

Variables:

Room Temp: 25 and 29 °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 [1].

Source and Purity of Materials:

1. Commercial product; less than 3% impurities.
2. Distilled over $\ce{KMnO4}$ and $\ce{NaOH}$ 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): ±0.01 mg(1)/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.