Biuret Reagent Solution 500ml
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Description
Biuret reagent solution is a chemical mixture predominantly used to detect the presence of proteins through the biuret test. This test identifies peptide bonds, which are characteristic of proteins and peptides.
Composition:
The biuret reagent typically consists of:
Copper(II) Sulfate (CuSO₄): Provides copper ions that interact with peptide bonds.
Sodium Hydroxide (NaOH): Creates an alkaline environment necessary for the reaction.
Potassium Sodium Tartrate: Stabilizes the copper ions in solution.
In the presence of peptide bonds, the copper ions form a violet-colored complex, indicating the presence of proteins.
Physical Properties:
Appearance: Blue aqueous solution.
pH: Strongly alkaline due to the presence of sodium hydroxide.
Applications:
Biuret reagent is primarily used in:
Biochemical Assays: Qualitatively and quantitatively determining protein concentrations in various samples.
Educational Demonstrations: Teaching protein detection techniques in academic settings.
Safety Considerations:
Due to its high alkalinity, biuret reagent is corrosive and can cause severe skin burns and eye damage. Proper safety measures, such as wearing protective gloves and eye protection, should be taken when handling the reagent.
In summary, biuret reagent solution is a vital tool in biochemistry for detecting proteins, relying on the interaction between copper ions and peptide bonds to produce a characteristic color change.
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