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Biuret test for proteins

Biuret test for proteins. The Biuret reagent contains copper(II) sulfate (CuSO4) and sodium hydroxide (NaOH), with potassium sodium tartrate (KNaC4H4O6) added to stabilize copper ions. Here blue-coloured Biuret reagent was added to a solution of albumin (egg white) in a beaker. The solution turned violet (deep purple), indicating presence of proteins.
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Title:
Biuret test for proteins
Caption:
Biuret test for proteins. The Biuret reagent contains copper(II) sulfate (CuSO4) and sodium hydroxide (NaOH), with potassium sodium tartrate (KNaC4H4O6) added to stabilize copper ions. Here blue-coloured Biuret reagent was added to a solution of albumin (egg white) in a beaker. The solution turned violet (deep purple), indicating presence of proteins.
Credit:
Album / Science Source / Turtle Rock Scientific
Releases:
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Image size:
3427 x 5166 px | 50.7 MB
Print size:
29.0 x 43.7 cm | 11.4 x 17.2 in (300 dpi)
Keywords:
ALBUMIN • BEAKER • BIOCHEMICAL • BIOCHEMISTRY • BIURET • CHEMICAL • CHEMISTRY • COPPER • COPPERWORK • CUSO4 • EGG • ORGANIC • PROTEIN • PROTEINS • REAGENT • SCIENCE • SOLUTION • SULFATE • TEST • WHITE