Multiple choice

Which of the following compounds is a spectrophotometric dye for determination of proteins?

  1. Acriflavin

  2. Agent orange

  3. Methylene blue

  4. Naphthol blue black

  5. Pyronin
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D Correct answer
Explanation

Spectrophotometer is an instrument that helps in measurement of the selective absorption of light and utilised in both qualitative and quantitative analysis of various molecules and chemicals. Naphthol blue black or Amido black 10B is a well known dye used for the spectrophotometric determination of proteins.

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