Determination of polar analytes in aqueous matrices by purge and trap

✍ Scribed by Kaufmann, Anton

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 691 KB
• Volume: 20
• Category: Article
• ISSN: 0935-6304
• DOI: 10.1002/jhrc.1240200103

✦ Synopsis

Abstract

(not readable) fully autimated purge and trap system has been developed for (not readable) detemination of volatile wine components. The proposed system consists of sampler, a purge and trap instrument, and a GC, (not readable) steps, from the uptake of the infiltrated wine from the sampler (not readable) to the printout of the intergrated chromatograms, proceed(not readable), Typical problems occurring when analyzing polar analytes by the classical purse and trap approach have been specifically addressed. The system has been desiggned to handle such difficult (not readable) analytes. Efforts have been made to improve the reproducibility and the carry‐over of these analytes. The measures adopted include: thorough rinsing and subsequent conditioning of the P + T parger; elimination of matrix effects by dilution and high salt (not readable); tight specification of purge relevant parameters; split‐inter‐(not readable) to improve GC retention time reproducibility.