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

Titration of a Polyprotic Acid02:08

Titration of a Polyprotic Acid

103.9K
A polyprotic acid contains more than one ionizable hydrogen and undergoes a stepwise ionization process.  If the acid dissociation constants of the ionizable protons differ sufficiently from each other, then the titration curve for such polyprotic acid generates a distinct equivalence point for each of its ionizable hydrogens. Therefore, titration of a diprotic acid results in the formation of two equivalence points, whereas the titration of a triprotic acid results in the formation of three...
103.9K
Surface Passivation for Single-molecule Protein Studies10:35

Surface Passivation for Single-molecule Protein Studies

43.2K
We describe a method for passivating a glass surface using polyethylene glycol (PEG). This protocol covers surface cleaning, surface functionalization, and PEG coating. We introduce a new strategy for treating the surface with PEG molecules over two rounds, which yields superior quality of passivation compared to existing...
43.2K
n-Butyllithium Titration06:58

n-Butyllithium Titration

49.6K
Source: Vy M. Dong and Diane Le, Department of Chemistry, University of California, Irvine, CA
This experiment will demonstrate a simple technique to titrate and obtain an accurate concentration of the organolithium reagent, n-butyllithium (n-BuLi). Organolithium reagents are extremely air- and moisture-sensitive and proper care must be taken to maintain the quality of the reagent so that it may be used successfully in a reaction. The n-BuLi titration experiments should be performed regularly...
49.6K
Acid-Base Titration Curves02:23

Acid-Base Titration Curves

139.9K
A titration curve is a plot of some solution property versus the amount of added titrant. For acid-base titrations, solution pH is a useful property to monitor because it varies predictably with the solution composition and, therefore, may be used to monitor the titration’s progress and detect its endpoint. Acid-base titration can be performed with a strong acid and a strong base, a strong acid and a weak base, or a strong base and a weak acid.
For a titration carried out for 25.00 mL of...
139.9K
Introduction to Titration10:17

Introduction to Titration

442.2K
Source: Laboratory of Dr. Yee Nee Tan — Agency for Science, Technology, and Research
Titration is a common technique used to quantitatively determine the unknown concentration of an identified analyte.1-4 It is also called volumetric analysis, as the measurement of volumes is critical in titration. There are many types of titrations based on the types of reactions they exploit. The most common types are acid-base titrations and redox titrations.5-11
In a typical titration process, a...
442.2K
Titration Calculations: Weak Acid - Strong Base03:55

Titration Calculations: Weak Acid - Strong Base

49.1K
Calculating pH for Titration Solutions: Weak Acid/Strong Base
For the titration of 25.00 mL of 0.100 M CH3CO2H with 0.100 M NaOH, the reaction can be represented as:
49.1K

You might also read

Related Articles

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

Sort by
Same journal

Solid-State NMR Quantification of Brønsted-Lewis Acid Site Cooperativity in Zeolites for Glucose Conversion.

The journal of physical chemistry letters·2026
Same journal

Ion-Pairing-Mediated Selective Transport of Rare Earth Elements through Functionalized Graphene Nanopores.

The journal of physical chemistry letters·2026
Same journal

Ligand-Tuned CISS-Effect of Atomically Precise Metal Oxido Nanoclusters.

The journal of physical chemistry letters·2026
Same journal

Data-Driven Exploration of the Polyethylene Catalyst Chemical Space via Machine Learning.

The journal of physical chemistry letters·2026
Same journal

Role of Ultrafast Electron-Thermal-Phonon Interactions in High Harmonic Generation and Dephasing from Graphene.

The journal of physical chemistry letters·2026
Same journal

Real-Time Vibrational Spectroscopy Reveals an Inversion Transition State in the Photoisomerization of Phenylazoimidazole.

The journal of physical chemistry letters·2026
See all related articles

Related Experiment Video

Updated: Jan 19, 2026

Surface Passivation for Single-molecule Protein Studies
10:35

Surface Passivation for Single-molecule Protein Studies

Published on: April 24, 2014

43.2K

Titrating Pt Surface with CO Molecules.

X Ren1, E A Gobrogge1, C A Lundgren1

  • 1U.S. CCDC Army Research Laboratory , Adelphi , Maryland 20783 , United States.

The Journal of Physical Chemistry Letters
|September 14, 2019
PubMed
Summary
This summary is machine-generated.

This study quantifies platinum (Pt) surface sites by observing carbon monoxide (CO) adsorption using in situ attenuated total reflectance-surface-enhanced infrared absorption spectroscopy (ATR-SEIRAS). This method helps develop better electrocatalysts for fuel cells.

More Related Videos

Determining n-Butyllithium Concentration by Titration
06:58

Determining n-Butyllithium Concentration by Titration

Published on: April 30, 2023

49.6K
Titration: Principles, Volumetric Analysis
10:17

Titration: Principles, Volumetric Analysis

Published on: April 30, 2023

442.2K

Related Experiment Videos

Last Updated: Jan 19, 2026

Surface Passivation for Single-molecule Protein Studies
10:35

Surface Passivation for Single-molecule Protein Studies

Published on: April 24, 2014

43.2K
Determining n-Butyllithium Concentration by Titration
06:58

Determining n-Butyllithium Concentration by Titration

Published on: April 30, 2023

49.6K
Titration: Principles, Volumetric Analysis
10:17

Titration: Principles, Volumetric Analysis

Published on: April 30, 2023

442.2K

Area of Science:

  • Electrochemistry
  • Surface Science
  • Materials Science

Background:

  • Platinum nanoparticles are crucial for electrocatalysts in fuel cells and electrochemical fuel generators.
  • Understanding surface sites on platinum is key to enhancing catalyst activity.

Purpose of the Study:

  • To identify and quantify surface sites on platinum nanoparticles.
  • To uncover the energetic sequence of carbon monoxide (CO) adsorption on platinum surfaces.
  • To develop a method for analyzing platinum surface sites using CO adsorption.

Main Methods:

  • Utilized in situ attenuated total reflectance-surface-enhanced infrared absorption spectroscopy (ATR-SEIRAS).
  • Studied CO adsorption from a CO-dissolved H2SO4 electrolyte onto a polycrystalline Pt film electrode.
  • Controlled CO adsorption rate by limiting CO addition to the solution.

Main Results:

  • Observed stepwise CO adsorption, allowing for the identification and quantification of specific platinum surface sites.
  • Determined the energetic sequence of CO adsorption on the platinum surface.
  • Demonstrated that slow CO adsorption enables molecules to occupy their most favorable sites.

Conclusions:

  • The slow CO adsorption method, monitored by ATR-SEIRAS, effectively identifies and quantifies platinum surface sites.
  • This technique provides insights into the energetic preferences of CO adsorption on platinum.
  • The approach is analogous to chemical titrations for quantitative analysis, aiding electrocatalyst development.