Colloidal Materials in Natural Water

Colloidal Materials in Natural Water


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Colloids widely exist in natural water bodies such as rivers, lakes, seas, and groundwater. Based on the abundant functional groups and good adsorption capacity of colloids, the solid-liquid interface will cause a large number of active substances in the water environment to undergo various physical, chemical and biological processes, and play a role in regulating the fate and behavior of pollutants in the water environment. important role. Alfa Chemistry can combine a variety of technical means to characterize the content, structure, particle size, overall potential and other general characteristics of colloids in water samples, and can also characterize the special properties of a certain type of components in colloids.

Colloidal Materials in Natural Water

Our Abilities

Alfa Chemistry is committed to optimizing the coupling of multiple technologies to systematically characterize the properties of hydrocolloids. To achieve this, we were able to utilize UV-Vis spectrophotometers, TOC analyzers, fluorescence spectrometers (FS), flow field-flow fractionation (FlFFF) systems, atomic force microscopy (AFM), FI-IR, NMR, Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES), Mass Spectrometry (ICP-MS), Energy Dispersive Spectroscopy (EDS), and X-ray Diffraction Spectroscopy (XRD) were used to determine the content and relationship between organic and inorganic colloids. analysis of properties.[1]

Colloidal Materials in Natural WaterFig. 2. Fluorescence EEM plot and the fluorescence peak position of the four colloids.[2]

Our Services

Our characterization services for colloids in water include, but are not limited to:

  • Detection of organic matter content in colloids
  • Colloidal chemical bond composition and relative content characterization
  • Qualitative or quantitative detection of different types of carbon and hydrogen in colloids
  • Elemental composition and concentration detection in colloids
  • Characterization of Colloidal Particle Crystal Structure and Particle Size
  • Colloid specific surface area and pore volume detection
  • Colloid overall potential detection

Why Us?

Colloidal Materials in Natural Water

  • Alfa Chemistry fully understands the formation and adsorption mechanism of colloids, and can conduct research on colloids with complex components and build analytical models.
  • Alfa Chemistry can analyze the removal mechanism of pollutants while characterizing colloids in water.
  • Alfa Chemistry also has advanced colloid filtration and purification technology to fully meet your needs for the treatment of colloidal materials in water.


  1. Wang Peifang, et al. Environmental behaviors of natural colloids in water environment. Journal of Lake Sciences, 2021.
  2. [1] Yan C, et al. Application of a multi-method approach in characterization of natural aquatic colloids from different sources along Huangpu River in Shanghai, China. Science of the Total Environment, 2016.
  3. Maizel A C, Remucal C K. Molecular Composition and Photochemical Reactivity of Size-Fractionated Dissolved Organic Matter. Environmental Science & Technology, 2017.

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