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A buffer solution is a solution where the pH does not change significantly on dilution or if an acid or base is added at constant temperature. [1] Its pH changes very little when a small amount of strong acid or base is added to it. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical ...
Sodium malate is a compound with formula Na 2 (C 2 H 4 O(COO) 2). It is the sodium salt of malic acid. As a food additive, it has the E number E350. [1] Properties.
McIlvaine buffer is a buffer solution composed of citric acid and disodium hydrogen phosphate, also known as citrate-phosphate buffer. It was introduced in 1921 by the United States agronomist Theodore Clinton McIlvaine (1875–1959) from West Virginia University , and it can be prepared in pH 2.2 to 8 by mixing two stock solutions.
The maleate ion is the ionized form of maleic acid. The maleate ion is useful in biochemistry as an inhibitor of transaminase reactions. Maleic acid esters are also called maleates, for instance dimethyl maleate .
E350 is an EU recognised food additive. It comes in two forms, [1] [2] E350 (i) Sodium malate E350 (ii) Sodium hydrogen malate Sodium malate is a sodium salt of malic acid (E296), a natural acid present in fruit, its alate is used as a buffer and flavouring in soft drinks, confectionery and other foods.
Influences on dissociation: There should be a minimum influence of buffer concentration, temperature, and ionic composition of the medium on the dissociation of the buffer. Well-behaved cation interactions: If the buffers form complexes with cationic ligands, the complexes formed should remain soluble. Ideally, at least some of the buffering ...
Lysis buffer usually contains one or more salts. The function of salts in lysis buffer is to establish an ionic strength in the buffer solution. Some of the most commonly used salts are NaCl, KCl, and (NH 4) 2 SO 4. They are usually used with a concentration between 50 and 150 mM. [4] Sodium dodecyl sulfate (SDS) structure
Disodium malonate is a sodium salt of malonic acid with the chemical formula CH 2 (COONa) 2. It is a white crystal soluble in water but not in alcohols, esters or benzene. It can be prepared from the reaction of sodium hydroxide and malonic acid: CH 2 (COOH) 2 + 2 NaOH → CH 2 (COONa) 2 + 2 H 2 O