Internal Microstructure Test

The internal microstructure of cosmetic materials will affect the stability, preservation, shaping, packaging, and production process of the product. Additionally, there may nanoparticle substance added in the final product. Creative BioMart can help our customers to find out the internal microstructure information, assess potential risks associated with nanomaterials and conduct tests to rigorously ensure that cosmetics are safe for consumers.

The most essential internal factors that determine the properties of materials include the atomic structure of each element of the material, the interaction between atoms, the spatial arrangement, and the morphological characteristics.

Common microstructure analysis methods include: thermal analysis, electron microscopy (EM), X-ray diffraction (XRD), infrared absorption spectroscopy, nuclear magnetic resonance (NMR), metallographic analysis, etc.

1. Thermal analysis

Thermal analysis is mainly to analyze the structural changes and physical and chemical changes of the sample during the high temperature process. It is divided into thermogravimetric analysis, differential thermal analysis, and differential scanning calorimetry.

2. XRD

(1) Phase identification: Determine which phases the material consists of and determine the content of each component phase, mainly including qualitative phase analysis and quantitative phase analysis.

(2) Determination of lattice parameters: It has been used in the study of solid phase transitions, determining the type of solid solution, determining the solubility curve of solid solution, and determining the coefficient of thermal expansion.

(3) Measurement of micro-stress: Micro-stress refers to the micro-area stress between or among the crystal grains in the material caused by deformation, phase change, expansion of multi-phase materials, etc.

(4) Characterization of the particle size of nano materials: The particle size of nano materials is closely related to its performance.

(5) Determination of crystal orientation and texture: X-ray diffraction method can not only accurately align single crystals, but also obtain information on the internal microstructure of crystals.

3. Infrared absorption spectrum

(1) Molecular structure and chemical bonds, such as force constant (the strength of chemical bonds can be inferred) and molecular symmetry, etc.

(2) Determine which organic functional groups exist in the unknown sample.

4. NMR

(1) Structural identification of organic compounds

(2) NMR imaging technology of polymer materials

(3) Multi-component material analysis to understand the structural stability and performance excellence of the material

5. EM

Commonly used instruments include electron probe X-ray microanalyzer (EPA), Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), scanning tunneling microscope, atomic force microscope, time-of-flight secondary ion mass spectrometry (TOF) -SIMS) etc.

Our expert team can customize services according to customer needs. Welcome to contact us for project quotations and more detailed information.

For R&D and Further Manufacturing ONLY.