Although many would say that there are FIVE main branches of chemistry, namely: Physical, Analytical, Biochemistry, Organic and Inorganic chemistry many would
argue that the science of chemistry actually links out to other branches or sub-branches that include Materials Chemistry, Theoretical Chemistry, Macromolecular (Polymer) Chemistry, Nuclear Chemistry, Metallurgy, Forensic Chemistry, Medicinal Chemistry and more.
It is important to note that often sub-branches fall under one or more of the main branches of chemistry.
Let’s start by taking a look at the 5 main branches of chemistry and then delve deeper into chemistry’s many sub-branches:

Analytical Chemistry

Analytical chemistry is the branch of chemistry involving in chemical characterization of matters either quantitatively or qualitatively; e.g. How much caffeine is really in a cup of coffee? Are there drugs found in athlete’s urine samples? What is the pH level of my swimming pool? Examples of areas using analytical chemistry include forensic science, environmental science, drug and food testing and general goods manufacturing industries.

Analytical chemistry is divided into two main branches: qualitative and quantitative analysis.

Qualitative analysis employs methods/measurements to help determine the components of substances. Quantitative analysis on the other hand, helps to identify how much of each component is present in a substance.


Both types of analysis can be used to provide important information about an unidentified sample and help to identify what the sample is.

Biochemistry

The chemistry of life or more aptly put, of chemical processes in living organisms. Biochemists research includes cancer and stem cell biology, infectious disease as well as membrane and structural biology and spans molecular biology, genetics, mechanistic biochemistry, genomics, evolution and systems biology.
Biochemistry, according to many scientists can also be explained as a discipline in which biological phenomena are examined in chemical terms.

Examples are digestion and cellular respiration.
For this reason biochemistry is also known as Chemical Biology or Biological Chemistry.

Under the main umbrella of biochemistry many new sub-branches have emerged that modern chemists may specialize in solely. Some of these disciplines include:


1. Enzymology (study of enzymes)
2. Endocrinology (study of hormones)
3. Clinical Biochemistry (study of diseases)
4. Molecular Biochemistry (Study of Biomolecules and their functions).

There are also others like Pharmacological Biochemistry, Agricultural Biochemistry and more.

Inorganic chemistry
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