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 Concept Videos

Sampling Methods: Sample Types01:18

Sampling Methods: Sample Types

3.4K
Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
3.4K
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

506
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
506
Gas Chromatography: Introduction01:13

Gas Chromatography: Introduction

5.1K
Gas chromatography (GC) is a technique for separating and analyzing volatile compounds in a sample. Its primary purpose is to identify and quantify components in complex mixtures, making it essential in fields such as environmental analysis, pharmaceuticals, and petrochemicals. GC is also called vapor-phase chromatography (VPC) or gas-liquid partition chromatography (GLPC).
In GC,  a sample is vaporized and mixed with an inert carrier gas (the mobile phase), which transports it through a...
5.1K
Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

1.5K
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
1.5K
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

2.7K
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
2.7K

You might also read

Related Articles

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

Sort by
Same author

ΔNp63 regulates IL-33 and IL-31 signaling in atopic dermatitis.

Cell death and differentiation·2016
Same author

A morpho-anatomical characterisation of Myrothamnus moschatus (Myrothamnaceae) under the aspect of desiccation tolerance.

Plant biology (Stuttgart, Germany)·2012
Same author

Rapid dechlorination of polychlorinated biphenyls on the surface of a pd/fe bimetallic system.

Environmental science & technology·2011
Same author

[Is a blockade of the lateral cutaneous nerve of the thigh an alternative to the classical femoral nerve blockade for knee joint arthroscopy? A randomised controlled study].

Der Anaesthesist·2005
Same author

Multiple in vivo passages enhance the ability of a clinical Helicobacter pylori isolate to colonize the stomach of Mongolian gerbils and to induce gastritis.

Laboratory animals·2005
Same author

Metastatic neuroblastoma demonstrated by whole-body PET-CT using 11C-HED.

Nuklearmedizin. Nuclear medicine·2005

Related Experiment Video

Updated: May 6, 2026

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers
11:50

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers

Published on: August 3, 2014

45.4K

Choosing an appropriate soil-gas survey method.

N Korte1, S Wagner, J Nyquist

  • 1Environmental Sciences Division, Oak Ridge National Laboratory, 81502, Grand Junction, CO, USA.

Environmental Monitoring and Assessment
|November 16, 2013
PubMed
Summary
This summary is machine-generated.

Soil-gas surveys using passive, active, and screening techniques were compared. The rapid screening technique provided functionally equivalent data to more complex methods for groundwater contamination assessment.

More Related Videos

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

18.8K
Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
05:00

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

1.2K

Related Experiment Videos

Last Updated: May 6, 2026

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers
11:50

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers

Published on: August 3, 2014

45.4K
Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

18.8K
Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer
05:00

Measuring Dissolved Methane in Aquatic Ecosystems Using An Optical Spectroscopy Gas Analyzer

Published on: July 26, 2024

1.2K

Area of Science:

  • Environmental Science
  • Geochemistry
  • Analytical Chemistry

Background:

  • Soil-gas surveys are crucial for assessing subsurface contamination.
  • Various techniques exist, each with distinct advantages and limitations.
  • Evaluating these methods is essential for efficient site characterization.

Purpose of the Study:

  • To compare the efficacy of three soil-gas survey techniques.
  • To assess data quality, cost, and performance of each method.
  • To determine the most suitable technique for delineating groundwater contamination plumes.

Main Methods:

  • Passive soil-gas survey using buried collectors.
  • Active soil-gas survey with field pumping and laboratory analysis.
  • Screening soil-gas survey utilizing a hand-held instrument.

Main Results:

  • Passive and active surveys offered excellent detection limits but lacked real-time data and plume delineation.
  • The active survey was time-consuming and required on-site analytical expertise.
  • The rapid, inexpensive screening technique yielded functionally equivalent data for plume assessment.

Conclusions:

  • No single soil-gas survey method is universally superior.
  • The screening technique offers a cost-effective and efficient alternative for initial contamination assessment.
  • Site-specific objectives should guide the selection of soil-gas survey methodologies.