Analytical Chemistry

Application Notes

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Photoluminescence Upconversion with the Fluorolog-QM
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Particle Size Analysis of Inks
Particle size of ink pigment particles can significantly affect the color strength, surface finish, and durability of the final product. Measuring the particle size of ink pigments was typically done using dynamic light scattering (DLS). Laser diffraction can also now be used to measure these pigments due to the state of the art enhancements in the LA-960.
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Organic Pigments with Laser Diffraction
Particle size is a critical physical characteristic of pigments, affecting many performance factors including gloss and tinctorial strength. Laser diffraction is the most popular method of particle size analysis for the milling process, allowing close control and optimization of a number of final product performance criteria.
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Pigment Particle Size and Hiding Power
Particle size is intimately related to hiding power in pigments. Due to its speed and wide size measurement range, laser diffraction is an ideal tool for tracking the grinding process and therefore controlling the resulting pigment performance.
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Particle Sizing of Asphalt Emulsions
Asphalt emulsions have made the manufacturing and storage of road construction materials simpler and less expensive than previous methods. Asphalt emulsions are droplets of asphalt dispersed in water with the aid of an emulsifying agent. The particle size of the asphalt droplets is critical to stability and application performance.
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Particle Size Analysis of Gold Nanoparticles
The National Institute of Standards and Technology (NIST) has developed Reference Materials (RMs) of gold nanoparticles that are nominally 10, 30, and 60 nm. This application note describes a procedure and shows results from a study analyzing the NIST RM samples.
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Particle Size Analysis of Titanium Oxide Using Laser Diffraction
Titanium Dioxide (TiO2) is a pigment used in paints and many other applications. The particle size distribution of TiO2 is critical because it affects many important physical properties that influence final product performance.
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Application Data Sheets

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Particle Size Measurement of Copper Colloids
A copper colloid is a suspension with a dispersed phase consisting of copper particles between 1 nm – 1 um evenly dispersed in a continuous phase. The sample can be...
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Particle Size Measurement of Colloidal Silver
A silver colloid is a suspension with a dispersed phase consisting of silver particles between 1 nm – 1 um evenly dispersed in a continuous phase. The sample can be considered...
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Particle Size Measurement of Colloidal Platinum
A platinum colloid is a suspension with a dispersed phase consisting of platinum particles between 1 nm – 1 um evenly dispersed in a continuous phase, in this case water.
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Particle Size Measurement of Colloidal Palladium
A palladium colloid is a suspension with a dispersed phase consisting of palladium particles between 1 nm – 1 um evenly dispersed in a continuous phase, in this case DMF.
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