SDS Volume (2300)

Volume 60. Halogenated Methanes with Water, p None

Original Measurements

McNally, M. E.; Grob, R. L.; J. Chromatogr. A 1983, 260, 23-32.

Variables:

Room Temp: 303 $\pu{K}$

Prepared by:

A.L. Horvath

Method/Apparatus/Procedure:

Standard solutions were prepared in 100 mL flasks. They were shaken for 5 minutes and then allowed to equilibrate in a constant temperature bath held at 30 °C for 24 hours. Samples were pipetted into headspace vials, sealed, thermostated, and then examined by the gas chromatographic head space analysis technique. An F. & M. Model 402 gas chromatograph equipped with dual columns and dual flame ionization detectors was used.

Source and Purity of Materials:

1. Chemical Service, West Chester, PA., USA., purest grade available used as received.
2. Distilled and run through two Barnstead purification cartridges.

Estimated Errors:

Ambient temperature: ±0.5 K (compiler).
Mass concentration (m/v) (1): ±36.4 ppm std. dev.