Crystal violet : production, applications and precautions /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Duffet, Victor (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Nova Science Publishers, [2019]
Colección:Chemistry research and applications series.
Temas:
Gentian violet.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • Contents
  • Preface
  • Chapter 1
  • Aspects Concerning the Hypsochrome Effect and Spectral Remission of Crystal Violet
  • Abstract
  • 1. Introduction
  • 2. Aggregation of Colorants in the Presence of Polyelectrolytes
  • 2.1. The Direction of Metachromatic Shift
  • 2.2. Stability of Metachromatic Compounds
  • 2.3. Factors Influencing the Metachromatic Phenomenon
  • 2.3.1. The Structural Parameters of the Polyelectrolyte
  • 2.3.2. The Structural Parameters of the Colorant
  • 2.3.2.1. The Influence of the Stearic Factors
  • 2.3.2.2. The Absorption Characteristics of Metachromatic Colorants. The Effects of the Electronic Structure
  • 2.3.3. Influence of pH on the Metachromatic Phenomenon
  • 2.3.4. Influence of Solvents on the Metachromatic Phenomenon
  • 2.3.5. Influence of Salt on the Metachromatic Phenomenon
  • 2.3.6. Influence of Reaction Time, Temperature and Pressure
  • 3. Dyeing Melana Fibers with CV in the Presence of Maleic Anionic Polyelectrolytes
  • 3.1. Materials Used
  • 3.1.1. Romanian Melana Fiber
  • 3.1.2. Polyelectrolytes
  • 3.1.2.1. The Polyelectrolyte (NaM-AV)
  • 3.1.2.2. The Polyelectrolyte (NaM-S)
  • 3.1.3. The Crystal Violet (CV) Colorant
  • 3.2. Particularities of Melana Fiber Dyeing
  • 3.2.1. The Control of the Dyeing Speed by Adding Equalization and Slowing Agents
  • 3.2.2. Anionic Retarders
  • Conclusion
  • References
  • Chapter 2
  • Environmentally Safe Biosorbents for Crystal Violet Removal from Wastewater
  • Abstract
  • 1. Introduction
  • 2. Dyes in General with a Special Reference to Crystal Violet
  • 2.1. Chemical Formula, Structure and Properties of CV
  • 2.2. Source of CV Contamination in Environment, and Toxicity and Carcinogenic Effects of CV
  • 3. Adsorption Methods
  • 3.1. Factors Affecting the Biosorption
  • 3.2. Sorption/Biosorption Mechanisms
  • 4. Recent Reports on Various Adsorbents Used in CV Removal
  • 5. Use of Low-Cost Adsorbents in the Sorption of CV
  • 5.1. Chitosan and Chitosan Derivatives for the Removal of CV
  • 5.2. Alginate and Alginate Derivatives as Environmental Friendly Adsorbents for the Removal of CV
  • 6. Advantages and Possible Drawbacks of Using Environmentally Safe Biosorbents
  • Conclusion
  • Acknowledgments
  • References
  • Chapter 3
  • Removal of Crystal Violet Dye from Aqueous Solution Using Ash-Based Adsorbent Materials
  • Abstract
  • 1. Introduction
  • 2. Experimental Section
  • 2.1. Materials
  • 2.2. Synthesis of Adsorbents
  • 2.2.1. Synthesis of Surfactant-Modified Zeolite
  • 2.2.2. Synthesis of Silica Nanoparticles
  • 2.3. Characterization of Materials
  • 2.4. Adsorption Studies
  • 2.5. Linear and Non-Linear Kinetic Models
  • 2.6. Equilibrium Models
  • 3. Crystal Violet Removal by Surfactant-Modified Zeolites
  • 3.1. Characterizations of Zeolitic Materials
  • 3.2. Adsorption Kinetic Studies
  • 3.3. Adsorption Isotherm
  • 4. Crystal Violet Removal by Nanosilica
  • 4.1. Characterizations of Nanosilica

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