Environmental Quality Monitoring & Analysis, - Vol 3 | 3. Introduction to Source Apportionment and Chemical Composition by Abraham | Learn Smarter
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Typing
Memory
Math
English Adventures
Knowledge
3. Introduction to Source Apportionment and Chemical Composition

The chapter discusses the importance of understanding chemical composition and particle size distribution in source apportionment. It highlights the challenges in measuring ultra-fine particulate matter and the various techniques used to analyze these small particles, such as differential mobility analyzers and condensation particle counters. The chapter also emphasizes the need for affordable instrumentation and the complexities involved in tracking and interpreting atmospheric measurements.

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Sections

  • 1

    Introduction To Source Apportionment And Chemical Composition

    This section introduces key concepts of source apportionment and the significance of chemical composition in understanding the sources of particulate matter.

    Learning Practice

  • 1.1

    Reasons For Analysis

    This section discusses the motivations behind analyzing particulate matter, focusing on cost-effectiveness, chemical composition, and methods for source apportionment.

    Learning Practice

  • 1.2

    Challenges In Source Apportionment

    This section addresses the complexities of source apportionment in understanding particulate matter and the challenges posed by varied composition and measurement methods.

    Learning Practice

  • 1.3

    Importance Of Size And Composition

    This section emphasizes the significance of understanding particle size and chemical composition for effective source apportionment in environmental studies.

    Learning Practice

  • 2

    Ultra-Fine Particulate Matter

    This section discusses ultra-fine particulate matter, its significance, measurement methods, and the implications for environmental and health studies.

    Learning Practice

  • 2.1

    Importance Of Nanoparticles

    This section discusses the significance of nanoparticles in various applications, focusing on their chemical composition and the methods for analyzing particulate matter.

    Learning Practice

  • 2.2

    Sources Of Nanoparticles

    This section discusses the various sources of nanoparticles, focusing on composition, measurement techniques, and the implications for understanding environmental dynamics.

    Learning Practice

  • 2.3

    Health Effects Of Particulate Matter

    This section discusses the chemical composition and health implications of particulate matter (PM), particularly focusing on the various methodologies used for measuring particle size and distribution.

    Learning Practice

  • 3

    Measurement Techniques For Nanoparticles

    This section discusses the importance of measurement techniques for nanoparticles, emphasizing their composition, size distribution, and the instruments used for accurate measurements.

    Learning Practice

  • 3.1

    Electrical Mobility

    This section discusses the importance of measuring chemical composition and size distribution of particulate matter in atmospheric studies, focusing on methodologies like source apportionment and the use of electrical mobility techniques.

    Learning Practice

  • 3.2

    Differential Mobility Analyzer

    The section discusses the importance of chemical composition analysis for particulate matter using the Differential Mobility Analyzer (DMA) and its operational principles.

    Learning Practice

  • 3.3

    Condensation Particle Counter (Cpc)

    This section discusses the importance and functionality of condensation particle counters (CPC) in measuring aerosol particle sizes and their chemical compositions.

    Learning Practice

  • 3.4

    Scanning Mobility Particle Sizer (Smps)

    This section discusses the significance of using Scanning Mobility Particle Sizer (SMPS) for analyzing particle size distribution and chemical composition.

    Learning Practice

References

28c.pdf

Class Notes

Memorization

What we have learnt

  • Understanding chemical comp...
  • Different measurement techn...
  • Classifying ultra-fine part...

Final Test

Revision Tests