Analytical Chemistry Examples | Their Uses and Applications

Analytical chemistry is a branch of chemistry that determines and quantifies the chemical compound in a given sample.

When a medicine or food packet is taken, we can find the details of its composition mentioned on it as per the FDA or other regulatory bodies.

components like carbohydrates, proteins, saturated fats, sodium chloride, etc., mentioned in grams or milligrams. This is ascertained by using analytical chemistry methods in the food processing industry. This is done to check for the presence of harmful substances and also inform the consumers of what they are getting in the pack. So, analytical chemistry is part of our daily lives.

The Analytical chemistry examples include

  1. Titrations
  2. Chromatography methods
  3. Gravimetric analysis
  4. Electrophoresis
  5. Photometric analysis
  6. Colored reactions
  7. Microscopy
  8. Sedimentation methods
  9. Turbidometry
  10. Electrochemical methods
  11. Limit tests
Analytical Chemistry Examples

In any substance, there are different types of compounds present. Each compound will have its chemical effect on the whole substance. So, the compound types and their concentration will help us understand the final properties and effects on the whole.


These are probably the basic and most common methods of analysis followed. The analytical chemistry examples are complete with titrations like acid-base titrations, redox titrations, complexometric titrations, and precipitation titrations. These methods help to understand if the sample is acidic, basic, has heavy metals, oxidative substances, complex chemicals, etc.

Chromatography methods

This a method of separation of compounds from a sample mixture. Once separated, the individual compounds are analyzed. There are different types of chromatography methods suitable for a variety of analyses.

Gravimetric analysis

This is a method where a compound is derived from the mixture and weighed in dry form. An example is the estimation of sulfates.

Gel Electrophoresis

Here, substances are separated under the influence of electric current. Once separated, they are determined for their molecular weight, structure, etc. Gel electrophoresis is a common technique to determine nucleic acids like DNA, RNA, and other molecules like proteins in western blot.

Photometric analysis

A widely used method wherein the color of the substance determines the main ingredient in it. It is routinely used for diagnosis in health care.

These are of many types like UV visible spectroscopy, flame photometry, atomic absorption spectroscopy, etc.

Colored reactions

These are basic reactions and are used for the analysis of a substance. For example, glucose in the blood can be tested by using a test for carbohydrates. The concentration is measured by the amount of reagent consumed in the reaction. Similarly, many substances like organic compounds, metals like sodium, and inorganic chemicals like iron, sulfate, and chlorides can be analyzed by color reactions like limit tests, etc.


Microscopy mostly relates to physical analysis. Here, the size of particles or crystals is analyzed.

This is done to define the powder particles of characters, crystal structures, etc.

Sedimentation methods

As the name indicates here, the tendency of solid particles to settle down in a solution is checked.

This rate of sedimentation of particulate matter helps to check the type of particle, its shape, and also density.


When a substance is dissolved in water or another solvent, it forms a solution.

Sometimes, at high concentrations, this solution tends to form crystals and becomes turbid.

Turbidometry involves the measurement of turbidity. This test is also used in the microbiological identification of bacteria.

Electrochemical methods

These methods involve chemical reactions and electrical detection. These types of analyses are potentiometric titration, conductometric titration, amperometric titration, etc.

Limit tests

These are semiquantitative tests used to check for limits of impurities in official samples.

These are called semiquantitative because exact concentration is not measured.

Instead, the intensity of color produced in the reaction is checked. Read limit tests for chlorides.

Uses and applications include

1. Quality control:

The quality of drugs, food materials, cosmetics, and nutraceuticals are directly applied to the body.

So, they have to be the least toxic with the highest purity.

This can be achieved by checking quality using analytical chemistry techniques.

2. Identification of new compounds:

Any substances found in nature can be evaluated for their chemical properties, and their nature can be identified.

3. Research and development:

Analytical methods are widely used in research and also technological development.

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