Dal
Dal (Medicine)
Dal (pronounced: /dɑːl/) is a term used in the field of medicine to refer to a specific unit of measurement. It is often used in the context of biochemistry and pharmacology to measure the concentration of substances in a solution. The term is derived from the name of the Swedish chemist and Nobel laureate, Svante Arrhenius, who first proposed the concept of ionization.
Etymology
The term 'Dal' is an abbreviation of the term 'Dalton', which is named after the English scientist John Dalton, who is known for his work on modern atomic theory. The term 'Dalton' is used to denote a unit of mass that is equal to 1/12th of the mass of a carbon-12 atom, which is approximately 1.66 x 10^-27 kilograms.
Related Terms
- Molar concentration: This is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume.
- Molarity: This is a unit of concentration, measuring the number of moles of a solute in a liter of solution.
- Molality: This is a measure of the concentration of a solute in a solution, in terms of the amount of substance in a given mass of solvent.
- Mole (unit): This is the base unit of amount of substance in the International System of Units (SI). It is defined as exactly 6.02214076×10^23 particles, which may be atoms, molecules, ions, or electrons.
External links
- Medical encyclopedia article on Dal
- Wikipedia's article - Dal
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