QUANTITATIVE MICROPHOTOMETRY AT THE CELLULAR LEVEL: A SIMPLE TECHNIQUE FOR MEASURING CHLOROPLAST MOVEMENTS IN VIVO

Quantitative evaluation of a simple dyna

Quantitative evaluation of a simple dynamic headspace analysis technique for non-polar pollutants in aqueous samples at the ng/kg level

✍ W.E. Hammers; H.F.P.M. Bosman 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 552 KB

The theoretical and practical aspects of the various modes of headspace analysis have been reviewed by Drozd and Novak' and, more recently, by Nufiez et al. '. In this paper we report some quantitative data obtained with the purge-and-trap technique. The aqueous sample solution is purged with pure