Absorbance — Optical density redirects here. Optical density can also refer to index of refraction.[1] In spectroscopy, the absorbance A (also called optical density)[2][3] is defined as:[4] , where I is the inte … Wikipedia
unit — 1. One; a single person or thing. 2. A standard of measure, weight, or any other quality, by multiplications or fractions of which a scale or system is formed. 3. A group of persons or things considered as a whole because of mutual activities or… … Medical dictionary
absorbance — In spectrophotometry, log of the ratio of the radiant power of the incident radiation to the radiant power of the transmitted radiation. SYN: absorbancy, absorbency, extinction (2), o … Medical dictionary
astronomical unit — (ua or au or AU) a unit of distance used by astronomers to measure distances in the Solar System. One astronomical unit equals the average distance from the center of the Earth to the center of the Sun (mathematically, it is the length of the… … Dictionary of units of measurement
Karmen unit — the amount of transaminase that under specified conditions will cause a change of 0.001 in the absorbance of NADH when measured at 340 nm in a 1 cm light path … Medical dictionary
MAU — The acronym MAU can stand for:*Make up air unit an Air handler in an HVAC system that conditions 100% outside air. *Marine Amphibious Unit in the United States Marines *Massively Armored Unit in the game RF Online *Math Accelerator Unit, a… … Wikipedia
mAU — a symbol for the milli absorbance unit. An increase in absorbance of 1 mAU corresponds to a reduction in transmittance of about 0.2305% … Dictionary of units of measurement
AU — 1. in astronomy see animal unit 2. in medicine see allergy unit 3. see absorbance unit … Dictionary of units of measurement
Determination of equilibrium constants — Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant is expressed as a concentration quotient, it is implied that the activity quotient is constant. In order for this assumption to be valid… … Wikipedia
Beer-Lambert law — In optics, the Beer–Lambert law, also known as Beer s law or the Lambert–Beer law or the Beer–Lambert–Bouguer law (in fact, most of the permutations of these three names appear somewhere in literature) is an empirical relationship that relates… … Wikipedia
