March 25, 2024Beilstein Journal of NanotechnologyOpen Access

Comparative electron microscopy particle sizing of TiO₂ pigments: sample preparation and measurement

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Particle size distributions measured by three manufacturers show high interlaboratory consistency, but they diverge substantially from previously published sizing data.
Testing across five anatase pigments identifies a distinct nanoscale fraction, and varying size distributions alter the regulatory nanomaterial classification for some samples.
Round-robin study based on electron micrographs and complementary surface area measurements evaluates number-based primary particle size distributions across different plants.
Highlights the need for standardized measurement protocols—advancing regulatory compliance and quality assurance across titanium dioxide and related particulate materials.

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Implication

Round-robin study demonstrates reproducible primary particle size distributions in anatase titanium dioxide pigments, highlighting the need for harmonized regulatory measurement protocols.

Cite This Study

Theissmann et al. (2024) studied this question.

synapsesocial.com/papers/68e72652b6db6435876a0694 https://doi.org/10.3762/bjnano.15.29

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Implication

Round-robin study demonstrates reproducible primary particle size distributions in anatase titanium dioxide pigments, highlighting the need for harmonized regulatory measurement protocols.

Comparative electron microscopy particle sizing of TiO₂ pigments: sample preparation and measurement

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Implication

Cite This Study

Comparative electron microscopy particle sizing of TiO₂ pigments: sample preparation and measurement

Key Points

Discussion

Implication

Cite This Study

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