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Analytical chemistry is simply the analysis of material samples to gain
an understanding of their chemical composition.
There are two major types of analysis:
- Qualitative analysis, which seeks to establish the existence of a given element or compound.
- Quantitative analysis, which seeks to establish the amount of a given element or compound.
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Biochemistry is the study of the chemistry taking place in living organisms, especially the structure and function of their chemical components, such as proteins, carbohydrates, lipids, nucleic acids, and small molecules present in cells.
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Crystallography most often refers to the experimental methods used to determine the arrangement of atoms in solids. More traditionally, it is the scientific study of crystals.
Crystallographic methods all rely on the analysis of the diffraction patterns that emerge from a sample that is targetted by a beam of some type. The beam is not always electromagnetic radiation, even though X-rays are the most common choice.
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Elements are the building blocks of nature. Chemical elements are the fundamental materials of which all matter is composed. An element is a pure substance that cannot be broken down or reduced further without changing its properties. Water, for example, is a compound composed of two elements: hydrogen and oxygen.
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Inorganic chemistry is the branch of chemistry concerned with the study of materials that contain any combination of chemical elements except for organic compounds.
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Organic chemistry is the branch of chemistry concerned with the study of carbon-containing molecules known as organic compounds. (except carbon dioxide and monoxide. Although there is an overlap with biochemistry, the latter is the specific study of the molecules made by living organisms.
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Science
