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Related Experiment Videos

A microcomputer program for the generation of random grid squares in quantitative analysis.

J S Webber1

  • 1Wadsworth Center for Laboratories and Research, New York State Department of Health, Albany 12201.

Journal of Electron Microscopy Technique
|November 1, 1987
PubMed
Summary
This summary is machine-generated.

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Minimize subjectivity in quantitative analysis using finder grids and a computer program. This method enhances accuracy for asbestos and microparticle detection in environmental samples.

Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Microscopy

Background:

  • Subjectivity in selecting random grid squares can compromise the accuracy of routine quantitative analysis.
  • Accurate microparticle quantification is crucial for environmental monitoring and quality control.

Purpose of the Study:

  • To present a method for circumventing subjectivity in random grid square selection for quantitative analysis.
  • To introduce a simple BASIC computer program for generating random grid-square numbers for sequential analysis.

Main Methods:

  • Utilizing finder grids in conjunction with a computer program to select random grid squares.
  • Developing a BASIC program to generate a list of random grid-square numbers for analysis.
  • Applying the method to the quantitation of asbestos and other microparticles in environmental samples.

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Main Results:

  • The combined use of finder grids and the computer program effectively eliminates subjectivity in grid square selection.
  • The method was successfully applied to quantify asbestos and microparticles in environmental samples, demonstrating its practical utility.

Conclusions:

  • The described method offers an objective approach to quantitative analysis, improving reliability.
  • This technique is valuable for quality control, cross-referencing analyses, and the study of biological specimens.