xanthoproteic acid - définition. Qu'est-ce que xanthoproteic acid
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Qu'est-ce (qui) est xanthoproteic acid - définition


Xanthoproteic acid         
  • Product of xanthoproteic reaction with the characteristic yellow color
CHEMICAL SUBSTANCE
Xanthoproteic acid is a noncrystallizable yellow substance derived from proteins upon treatment with nitric acid. Nitric acid reacts with proteins to form yellow nitrated products.
Xanthoproteic reaction         
  • Reaction of nitration of tyrosine as an example xanthoproteic reaction
METHOD USED TO DETECT PROTEIN IN A SOLUTION
The xanthoproteic reaction is a method that can be used to detect a presence of protein soluble in a solution, using concentrated nitric acid. The test gives a positive result in amino acids carrying aromatic groups, especially in the presence of tyrosine.
acidity         
  • [[Acetic acid]], a [[weak acid]], donates a proton (hydrogen ion, highlighted in green) to water in an equilibrium reaction to give the [[acetate]] ion and the [[hydronium]] ion. Red: oxygen, black: carbon, white: hydrogen.
  • Svante Arrhenius
  • 374px
  • year = 1978}}</ref> Point 2 is the first equivalent point where the amount of NaOH added equals the amount of alanine in the original solution.
  • Carbonated water (H<sub>2</sub>CO<sub>3</sub> aqueous solution) is commonly added to soft drinks to make them effervesce.
CHEMICAL COMPOUND GIVING A PROTON OR ACCEPTING AN ELECTRON PAIR
Acidic; Polyprotic acid; Polyprotic; Acid (chemistry); Naming acids; List of Acids; Acids; Acidity; List of acids; Diprotic acid; Protic acid; Acids, acyclic; Amino acid transport systems, acidic; Monoprotic acid; Diprotic Acid; Monoprotic Acid; Diprotic; Acidified; Monoprotic Acids; Monobasic acid; Mono-basic acid; Dibasic acid; Tribasic acid; Active acidity; Polyprotic acids; Polyprotic Acid; Triprotic; Monoprotic; Monoacid; Diprotic acids; Monoprotic acids; Protolysis; Free acid; Triprotic acid; Polybasic acid; Tetraprotic acid; Pentaprotic acid; Hexaprotic acid; Heptaprotic acid; Protolyze; Protolyse; Acidic acid
n.
Acidness, sourness, tartness, sharpness.