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

Standard Enthalpy of Formation02:37

Standard Enthalpy of Formation

49.5K
Enthalpy changes are typically tabulated for reactions in which both the reactants and products are at the same conditions. A standard state is a commonly accepted set of conditions used as a reference point for the determination of properties under other different conditions. For chemists, the IUPAC standard state refers to materials under a pressure of 1 bar and solutions at 1 M and does not specify a temperature. Many thermochemical tables list values with a standard state of 1 atm. Because...
49.5K
Steel Fastening Techniques01:17

Steel Fastening Techniques

1.3K
Steel sections can be joined together through various fastening techniques including riveting, bolting, and welding, each suitable for different structural requirements and conditions.
Rivets are cylindrical steel fasteners with a specially designed head. During application, rivets are heated until white-hot and then inserted through pre-drilled holes in the steel sections. A pneumatic hammer is used to shape the exposed end into a second head, securing the sections together.
Bolting is another...
1.3K
Glassware Calibration01:11

Glassware Calibration

1.5K
Accurate calibration of glassware, such as volumetric flasks, pipettes, and burettes, is essential to ensure accurate measurements in the analytical laboratory. Calibration helps maintain consistency across measurements and prevents errors arising from inaccurate volumes.
Volumetric flasks: Volumetric flasks are designed to prepare aqueous solutions of precise volumes accurately with a calibration line on the neck. To calibrate a volumetric flask, it is important to fill it with distilled...
1.5K
Steel Manufacturing01:26

Steel Manufacturing

1.5K
Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
1.5K
Instrument Calibration01:12

Instrument Calibration

785
Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
785
Calculating Standard Free Energy Changes02:49

Calculating Standard Free Energy Changes

25.7K
The free energy change for a reaction that occurs under the standard conditions of 1 bar pressure and at 298 K is called the standard free energy change. Since free energy is a state function, its value depends only on the conditions of the initial and final states of the system. A convenient and common approach to the calculation of free energy changes for physical and chemical reactions is by use of widely available compilations of standard state thermodynamic data. One method involves the...
25.7K

You might also read

Related Articles

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

Sort by
Same author

Magnesium Oxide-Modified Alumina for Enhanced Adsorption of Multi-Sulfonated Azo Dyes: Performance and Mechanistic Insights.

Molecules (Basel, Switzerland)·2026
Same author

On-demand growth of semiconductor heterostructures guided by physics-informed machine learning.

Science advances·2026
Same author

Oncolytic Herpes Simplex Virus for Glioblastoma: Molecular Engineering, Tumor Microenvironment Barriers, and Clinical Translation.

Current issues in molecular biology·2026
Same author

Association between cardiometabolic index and major adverse cardio-cerebral events and all-cause mortality in patients with degenerative aortic stenosis: a retrospective cohort study.

Journal of thoracic disease·2026
Same author

Urban-suburban-rural gradient variations in mortality associated with compound exposure to heat wave and ozone pollution: A case-crossover study using small-area assessment.

Journal of environmental management·2026
Same author

Knowledge and attitudes regarding AI-assisted documentation among clinical nurses in China: a cross-sectional study.

BMC nursing·2026

Related Experiment Video

Updated: Feb 11, 2026

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
03:49

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

Published on: June 10, 2019

7.7K

Standard Reference Line Combined with One-Point Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) to

Hongbo Fu1,2, Huadong Wang1,3, Junwei Jia1,3

  • 11 Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, China.

Applied Spectroscopy
|April 19, 2018
PubMed
Summary

Calibration-free laser-induced breakdown spectroscopy (CF-LIBS) analysis is improved using standard reference line (SRL) with one-point calibration (OPC). These methods enhance accuracy and detection limits for trace elements in steel samples.

Keywords:
CF-LIBSCalibration-free laser-induced breakdown spectroscopyOPCSaha–Boltzmann plotStark broadeningone-point calibrationstandard reference line

More Related Videos

Laser-induced Breakdown Spectroscopy: A New Approach for Nanoparticle's Mapping and Quantification in Organ Tissue
10:17

Laser-induced Breakdown Spectroscopy: A New Approach for Nanoparticle's Mapping and Quantification in Organ Tissue

Published on: June 18, 2014

14.2K
Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
08:53

Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

Published on: September 23, 2013

11.7K

Related Experiment Videos

Last Updated: Feb 11, 2026

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
03:49

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

Published on: June 10, 2019

7.7K
Laser-induced Breakdown Spectroscopy: A New Approach for Nanoparticle's Mapping and Quantification in Organ Tissue
10:17

Laser-induced Breakdown Spectroscopy: A New Approach for Nanoparticle's Mapping and Quantification in Organ Tissue

Published on: June 18, 2014

14.2K
Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
08:53

Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

Published on: September 23, 2013

11.7K

Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Spectroscopy

Background:

  • Accurate quantitative analysis using calibration-free laser-induced breakdown spectroscopy (CF-LIBS) faces challenges from self-absorption, scarce spectral lines, and experimental system corrections.
  • These limitations hinder precise elemental determination, particularly for trace elements in complex matrices like steel.

Purpose of the Study:

  • To enhance the accuracy and detection limits of CF-LIBS for elemental analysis in steel samples.
  • To evaluate the effectiveness of standard reference line (SRL) combined with one-point calibration (OPC) methods for quantitative analysis.

Main Methods:

  • Analysis of six elements in stainless steel and heat-resistant steel samples using CF-LIBS.
  • Application of standard reference line (SRL) methods, including original SRL, SRL with one-point calibration (OPC), and intercept with OPC.
  • Determination of electron density and plasma temperature using Fe Stark broadening and Saha-Boltzmann plots.

Main Results:

  • The SRL with OPC and intercept with OPC methods demonstrated significant improvements over the original SRL method.
  • Both improved methods effectively enhanced the overall accuracy of quantitative elemental analysis.
  • Detection limits for trace elements were notably improved using the SRL with OPC and intercept with OPC techniques.

Conclusions:

  • Standard reference line (SRL) combined with one-point calibration (OPC) offers a robust approach to overcome CF-LIBS limitations.
  • These enhanced calibration strategies are crucial for precise trace element analysis in metallic materials.
  • The findings provide a pathway for more accurate and sensitive elemental composition determination in steel analysis.