Non-conventional extraction techniques I
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Questions and Answers

What is the main purpose of the release of solutes from a sample matrix to a solvent?

  • To increase the surface area of the sample
  • To facilitate the extraction of desired compounds (correct)
  • To enhance the solubility of the sample matrix
  • To reduce the viscosity of the solvent

    • What is a characteristic of Microwave-Assisted Extraction (MAE) mentioned in the text?

  • It is a non-thermal extraction process
  • It has several advantages (correct)
  • It is used for large-scale industrial applications
  • It is a conventional extraction technique

    • What is a possible outcome of the release of solutes from a sample matrix to a solvent?

  • Denaturation of the solutes
  • Formation of a homogeneous solution (correct)
  • Separation of the sample matrix and solvent
  • Precipitation of the solutes

    • What is the primary role of the solvent in the release of solutes from a sample matrix?

    <p>To facilitate the transfer of solutes from the sample matrix</p> Signup and view all the answers

    What is implied about the release of solutes from a sample matrix to a solvent in the context of MAE?

    <p>It is a crucial step in the extraction of desired compounds</p> Signup and view all the answers

    What is the relationship between ions and field signs?

    <p>Ions keep their direction along field signs that change frequently.</p> Signup and view all the answers

    What happens to ions when field signs change?

    <p>Ions maintain their direction and continue moving forward.</p> Signup and view all the answers

    What is the characteristic of ions related to field signs?

    <p>Ions maintain their direction along field signs.</p> Signup and view all the answers

    What happens when field signs change frequently?

    <p>Ions maintain their direction.</p> Signup and view all the answers

    What is the behavior of ions in relation to field signs?

    <p>Ions maintain their direction along field signs.</p> Signup and view all the answers

    What is the relationship between ions and direction in the context of field signs?

    <p>Ions maintain their direction along field signs.</p> Signup and view all the answers

    What is the number of sequential steps involved in the extraction mechanism of microwave-assisted extraction?

    <p>3</p> Signup and view all the answers

    What is the primary mechanism of microwave-assisted extraction?

    <p>Solute release</p> Signup and view all the answers

    What is the role of the solvent in microwave-assisted extraction?

    <p>To facilitate the release of solutes from the sample matrix</p> Signup and view all the answers

    What is the likely outcome of the three sequential steps of microwave-assisted extraction?

    <p>Release of solutes from the sample matrix</p> Signup and view all the answers

    What is the likely function of microwaves in microwave-assisted extraction?

    <p>To facilitate the release of solutes from the sample matrix</p> Signup and view all the answers

    What is the context in which the three sequential steps of microwave-assisted extraction occur?

    <p>In a solvent</p> Signup and view all the answers

    What is the purpose of non-conventional extraction techniques?

    <p>To extract organic and organometallic compounds in their intact form</p> Signup and view all the answers

    What type of compounds are typically extracted using non-conventional techniques?

    <p>Organic and organometallic compounds</p> Signup and view all the answers

    What is the advantage of non-conventional extraction techniques over conventional methods?

    <p>They are more selective and gentle</p> Signup and view all the answers

    What is the main characteristic of non-conventional extraction techniques?

    <p>They are highly selective and specific</p> Signup and view all the answers

    What is the purpose of using non-conventional extraction techniques for organic and organometallic compounds?

    <p>To preserve their intact structure and properties</p> Signup and view all the answers

    What is the benefit of using non-conventional extraction techniques for sensitive compounds?

    <p>They are more selective and gentle</p> Signup and view all the answers

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