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Related Concept Videos

Qualitative Analysis01:10

Qualitative Analysis

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Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
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Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

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Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
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Quantitative Analysis01:12

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Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
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Sample Preparation for Analysis: Overview01:21

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Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
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Development of Analytical Methods01:21

Development of Analytical Methods

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An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
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Classification of Titrimetric Analysis Based on Reaction Types01:01

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Titrimetric analysis in solution chemistry involves measuring the volume of solutions and is often called volumetric analysis. The standard solution of known concentration in the burette is called the titrant, whereas the solution of unknown concentration in the flask is called the analyte, or titrand. Titrimetric analyses can be classified into four types based on the reactions between the titrant and analyte.
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Recent developments in computer vision-based analytical chemistry: A tutorial review.

Luis Fermín Capitán-Vallvey1, Nuria López-Ruiz2, Antonio Martínez-Olmos2

  • 1ECsens, Department of Analytical Chemistry, Campus Fuentenueva, Faculty of Sciences, University of Granada, E-18071 Granada, Spain.

Analytica Chimica Acta
|November 9, 2015
PubMed
Summary
This summary is machine-generated.

Computer vision-based analytical (CVAC) methods use color changes detected by imaging devices for simple, portable, in-situ chemical analysis. This review covers CVAC systems and applications from 2005-2015, highlighting future trends.

Keywords:
ColourComputer vision-based analytical chemistryImaging devicesReview

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Area of Science:

  • Analytical Chemistry
  • Computer Vision
  • Image Analysis

Background:

  • Chemical analysis using color changes recorded by imaging devices is increasingly popular.
  • Advantages include simplicity, portability, and suitability for in-situ, real-time monitoring.
  • This review focuses on computer vision-based analytical (CVAC) procedures and systems from 2005-2015.

Purpose of the Study:

  • To provide a tutorial review of CVAC procedures and systems.
  • To cover the period 2005-2015, when most research was published.
  • To discuss background, methods, applications, and future perspectives.

Main Methods:

  • Review of scientific literature on CVAC from 2005-2015.
  • Tutorial on color spaces and analytical system architectures.
  • Discussion of image processing techniques and illuminant influence.

Main Results:

  • 87.5% of CVAC papers were published between 2005 and 2015.
  • Detailed review of relevant CVAC applications and their characteristics.
  • Analysis of image processing challenges and solutions.

Conclusions:

  • CVAC offers a user-friendly approach for out-of-lab chemical analysis.
  • The field has seen significant development and application growth.
  • Future perspectives for CVAC in analytical chemistry are promising.