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Louisiana sugar cane jelly: LL 170.8, 2003 Mammal: Louisiana black bear (Ursus americanus luteolus) LL 161.1, 1992 Meat pie: Natchitoches meat pie: LL 170.9, 2003 Motto "Union, justice and confidence" LL 151, 1902 Musical instrument: Diatonic accordion, also known as the Cajun accordion LL 155.3, 1990 Reptile: American alligator (Alligator ...
This is a list of official state instruments. Michigan's Instrument is the Appalachian Dulcimer. ... Louisiana: Cajun accordion: 1990 [5] Missouri: Fiddle: 1987 [6 ...
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
Instrumental analysis is a field of analytical chemistry that investigates analytes using scientific instruments. Block diagram of an analytical instrument showing the stimulus and measurement of response
The late 20th century also saw an expansion of the application of analytical chemistry from somewhat academic chemical questions to forensic, environmental, industrial and medical questions, such as in histology. [7] Modern analytical chemistry is dominated by instrumental analysis. Many analytical chemists focus on a single type of instrument.
Historically, the definition of a scientific instrument has varied, based on usage, laws, and historical time period. [1] [2] [3] Before the mid-nineteenth century such tools were referred to as "natural philosophical" or "philosophical" apparatus and instruments, and older tools from antiquity to the Middle Ages (such as the astrolabe and pendulum clock) defy a more modern definition of "a ...
This includes mostly instruments which measure macroscopic properties of matter: In the fields of solid-state physics; in condensed matter physics which considers solids, liquids, and in-betweens exhibiting for example viscoelastic behavior; and furthermore, in fluid mechanics, where liquids, gases, plasmas, and in-betweens like supercritical ...
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