Acid–base extraction is a subclass of liquid–liquid extractions and involves the separation of chemical species from other acidic or basic compounds....

or charcoal. The pure cocaine base can be recovered from the mixture by extraction (freebase) or acid-base extraction (hydrochloride) using common organic...

acid or strong base. The buffer capacity of a simple buffer solution is largest when pH = pKa. In acid–base extraction, the efficiency of extraction of...

very low toxicity of propionic acid. List of carboxylic acids Acid-base extraction Organic base Applications for lactic acid.http://www.purac...

to an extraction in which impurities are extracted from the solvent containing the desired compound. Liquid–liquid extraction Acid-base extraction Supercritical...

be purified from crude extracts of these organisms by acid-base extraction, or solvent extractions followed by silica-gel column chromatography. Alkaloids...

(calcium oxide). This description may be a garbled account of an acid-base extraction procedure. Its popularity has soared in the last decade, in part...

decocainized leaf extract. Extraction of cocaine from coca requires several solvents and a chemical process known as an acid–base extraction, which can fairly...

Liquid–liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative...

Lewis acid as it is capable of accepting a lone pair. In a Lewis adduct, the Lewis acid and base share an electron pair furnished by the Lewis base, forming...

capable of refining opium into morphine base by a simple acid-base extraction. A sticky, brown paste, morphine base is pressed into bricks and sun-dried...

In chemistry, an acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH via titration. Several...

metabolites). Many alkaloids can be purified from crude extracts by acid-base extraction. Many alkaloids are toxic to other organisms. Polyphenols (a.k.a...

rubber residues to his West Orange Lab. Edison employed a two-part Acid-base extraction, to derive latex from the plant material after it was dried and crushed...

salts formed from the acid–base reaction with hydrochloric acid are known as hydrochlorides. For example, compare the free base hydroxylamine (NH2OH)...

An acid–base titration is a method of quantitative analysis for determining the concentration of Brønsted-Lowry acid or base (titrate) by neutralizing...

mineral acids form hydrogen ions and the conjugate base when dissolved in water. Commonly used mineral acids are sulfuric acid (H2SO4), hydrochloric acid (HCl)...

of the word "base": Arrhenius bases, Brønsted bases, and Lewis bases. All definitions agree that bases are substances that react with acids, as originally...

distillates by extraction with aqueous base. Acidification of this extract acidic neutralization returns the acids free from hydrocarbons. Naphthenic acid is removed...

"Ind+" for the conjugate acid of the indicator. The ratio of concentration of conjugate acid/base to concentration of the acidic/basic indicator determines...

A conjugate acid, within the Brønsted–Lowry acid–base theory, is a chemical compound formed when an acid gives a proton (H+) to a base—in other words,...

The Brønsted–Lowry theory (also called proton theory of acids and bases) is an acid–base reaction theory which was developed independently in 1923 by physical...

of the class can be extremely bioactive, for example strychnine. Acid–base extraction Amine value Amine gas treating Ammine Biogenic amine Ligand isomerism...

of many alkaloids in opium, is then extracted out of the opium by acid-base extraction and turned into heroin by reacting it with acetic anhydride. Other...

column-based nucleic acid purification is a solid phase extraction method to quickly purify nucleic acids. This method relies on the fact that nucleic acid will...

otherwise specified, acid–base reactions are assumed to involve the transfer of a proton (H+) from an acid to a base. Hydronium ions are acids according to all...

extremely small amounts and have failed to produce any alkaloids with Acid/Base extraction techniques using HCl/NaOH. On the same note, more academic research...

[AuCl2]−. Chloroauric acid is the precursor used in the purification of gold by electrolysis. Liquid–liquid extraction of chloroauric acid is used for the recovery...

Acid–base homeostasis is the homeostatic regulation of the pH of the body's extracellular fluid (ECF). The proper balance between the acids and bases...

coca farmer published in 2003 described a mode of production by acid-base extraction that has changed little since 1905. Roughly 625 pounds (283 kg) of...