Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Pulsed discharge detector: theory and applications.

D S Forsyth1

  • 1Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Banting Building 2203D, Ottawa, Ont K1A OL2, Canada.

Journal of Chromatography. A
|October 27, 2004
PubMed
Summary

The pulsed discharge detector (PDD) offers advanced gas chromatography analysis. Its modes, including He-PDPID and PDECD, provide superior detection limits for permanent gases and sensitive analysis without regulatory burdens.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ionic alkylleads in herring gulls from the Great Lakes region.

Environmental science & technology·2012
Same author

Levels of total mercury in predatory fish sold in Canada in 2005.

Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment·2011
Same author

Survey of total mercury in some edible fish and shellfish species collected in Canada in 2002.

Food additives and contaminants·2004
Same author

Butyltin compounds in retail mollusc products.

Food additives and contaminants·2003
Same author

Determination of methylcyclopentadienyl manganese tricarbonyl in beverages by solid-phase microextraction.

Food additives and contaminants·1997
Same author

Survey of organotin compounds in blended wines.

Food additives and contaminants·1994

Area of Science:

  • Analytical Chemistry
  • Chromatography

Background:

  • The pulsed discharge detector (PDD) represents a novel advancement in gas chromatography (GC) detector technology.
  • It offers versatile operation across three distinct modes: pulsed discharge helium ionization (He-PDPID), pulsed discharge electron capture (PDECD), and helium ionization emission (PDED).

Purpose of the Study:

  • To present the theory of operation, diverse applications, and practical considerations of the PDD.
  • To highlight the PDD's capabilities as a significant improvement over existing GC detectors.

Main Methods:

  • Detailed explanation of the PDD's operational principles in its three modes.
  • Discussion of analytical applications and performance characteristics.

Main Results:

Related Experiment Videos

  • The He-PDPID mode demonstrates enhanced detection of permanent gases and volatile inorganics, with minimum detectable quantities (MDQs) in the low picogram range, surpassing thermal conductivity detectors.
  • The PDECD mode offers sensitivity comparable to or exceeding electron capture detectors (ECDs) using radioactive sources, while eliminating licensing and safety concerns.
  • The PDED mode shows potential as a highly selective and sensitive elemental detector, though commercial availability is pending.

Conclusions:

  • The PDD is a versatile and powerful tool for gas chromatography, offering significant advantages in sensitivity and operational simplicity.
  • Its various modes cater to a wide range of analytical challenges, from permanent gas analysis to sensitive elemental detection.