| biuret paper |
filter paper previously dipped in Gies' biuret reagent, dried, and cut into strips.
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| biurate |
an acid urate; a monobasic salt of uric acid.
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| biuret |
a derivative of urea, equivalent to two molecules of urea less one of ammonia; see also under reaction. Called also allophanamide.
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| biuret p. |
filter paper previously dipped in Gies' biuret reagent, dried, and cut into strips.
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| biuret r. |
biuret (H2N–CO–NH–CO–NH2) forms a chelate having an intense violet-red color with the Cu2+ ion in alkaline solution; the same reaction also occurs with tripeptides and polypeptides, but not with dipeptides or amino acids and is used in colorimetric methods for total protein.
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