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

2° Amines to N-Nitrosamines: Reaction with NaNO201:20

2° Amines to N-Nitrosamines: Reaction with NaNO2

5.5K
Secondary amines react with nitrous acid to form N-nitrosamines, as depicted in Figure 1. Nitrous acid, a weak and unstable acid, is formed in situ from an aqueous solution of sodium nitrite and strong acids, such as hydrochloric acid or sulfuric acid, in cold conditions. In the presence of an acid, the nitrous acid gets protonated. The subsequent loss of water results in the formation of the electrophile known as nitrosonium ion.
5.5K
Ideal Solutions02:24

Ideal Solutions

22.4K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
22.4K
General Properties of Solutions02:12

General Properties of Solutions

35.8K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
35.8K
Solution Formation02:16

Solution Formation

37.6K
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride.
This selective...
37.6K
Enthalpy of Solution02:39

Enthalpy of Solution

30.5K
There are two criteria that favor, but do not guarantee, the spontaneous formation of a solution:
30.5K
Standard Solutions01:14

Standard Solutions

2.5K
Standard solutions refer to solutions with a precisely known concentration or composition. A primary standard is a highly pure, high molar mass, stable substance that is entirely soluble in water, the most commonly used solvent in analytical chemistry. The primary standard solution can be used to standardize secondary standards, which are substances with known concentrations but are less pure and stable. Standard solutions are essential for achieving accurate and reliable results in analytical...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Assessment of three-dimensional rotation of the shoulder complex and scapulohumeral rhythm during sagittal movement.

Journal of back and musculoskeletal rehabilitation·2022
Same author

One-pot synthesis of a hierarchical PMO monolith with superior performance in enzyme immobilization.

Journal of materials chemistry. B·2020
Same author

Multiple functionalization of SBA-15 mesoporous silica in one-pot: fabricating an aluminum-containing plugged composite for sustained heparin release.

Journal of materials chemistry. B·2020
Same author

Fabricating a sustained releaser of heparin using SBA-15 mesoporous silica.

Journal of materials chemistry. B·2020
Same author

Expert Consensus on Procedures and Operations of Navigation-guided Needle Biopsy Techniques for Skull Base Tumours.

The Chinese journal of dental research·2020
Same author

New versatile zincic sorbent for tobacco specific nitrosamines and lead ion capture.

Journal of hazardous materials·2019

Related Experiment Video

Updated: Feb 2, 2026

Screening of Tobacco Genotypes for Phytophthora nicotianae Resistance
10:10

Screening of Tobacco Genotypes for Phytophthora nicotianae Resistance

Published on: April 15, 2022

4.1K

Efficiently capturing tobacco specific nitrosamines with Hβ zeolite in solution.

Chun Ling Shi1, Xiao Dan Sun1, Yi Han Gao2

  • 1Key Laboratory of Mesoscopic Chemistry of MOE, College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.

Journal of Hazardous Materials
|November 16, 2018
PubMed
Summary

Hβ zeolite efficiently captures Tobacco Specific Nitrosamines (TSNA), particularly NNK, in water. Its unique pore size offers high selectivity and capacity, making it a promising sorbent for environmental protection.

Keywords:
Environmental protectionHβ zeoliteLiquid adsorptionTSNATemkin model

More Related Videos

A General Method for Detecting Nitrosamide Formation in the In Vitro Metabolism of Nitrosamines by Cytochrome P450s
07:38

A General Method for Detecting Nitrosamide Formation in the In Vitro Metabolism of Nitrosamines by Cytochrome P450s

Published on: September 25, 2017

10.7K
Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

2.7K

Related Experiment Videos

Last Updated: Feb 2, 2026

Screening of Tobacco Genotypes for Phytophthora nicotianae Resistance
10:10

Screening of Tobacco Genotypes for Phytophthora nicotianae Resistance

Published on: April 15, 2022

4.1K
A General Method for Detecting Nitrosamide Formation in the In Vitro Metabolism of Nitrosamines by Cytochrome P450s
07:38

A General Method for Detecting Nitrosamide Formation in the In Vitro Metabolism of Nitrosamines by Cytochrome P450s

Published on: September 25, 2017

10.7K
Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

2.7K

Area of Science:

  • Environmental Chemistry
  • Materials Science
  • Adsorption Science

Background:

  • Tobacco Specific Nitrosamines (TSNA) are harmful environmental pollutants.
  • Effective methods for TSNA removal from aqueous solutions are needed.
  • Zeolites show potential for adsorbing various contaminants.

Purpose of the Study:

  • To investigate the high-efficiency capture of TSNA by Hβ zeolite in aqueous solution.
  • To evaluate the adsorption performance of Hβ zeolite for 4-methylnitrosamino-1-3-pyridyl-1-butanone (NNK).
  • To understand the adsorption mechanism and thermodynamics.

Main Methods:

  • Adsorption experiments using Hβ zeolite in aqueous solution.
  • Comparison with other zeolites like NaZSM-5.
  • Fitting adsorption data to the Temkin adsorption model.
  • Thermodynamic analysis of NNK adsorption.

Main Results:

  • Hβ zeolite demonstrated high-efficiency capture of TSNA, specifically NNK.
  • The specific pore size of Hβ zeolite was crucial for high removal and selectivity.
  • Adsorption capacity of Hβ zeolite for NNK exceeded 70 mg g⁻¹.
  • Adsorption thermodynamics followed the Temkin model with decreasing isosteric heat.

Conclusions:

  • Hβ zeolite is a highly effective and selective sorbent for TSNA, especially NNK, in aqueous environments.
  • The unique structural properties of Hβ zeolite contribute to its superior adsorption performance.
  • Hβ zeolite presents a powerful solution for environmental TSNA remediation.