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[Data] Structural evaluation of carbon black using various measurement methods.

[Data] Structural evaluation of carbon black using various measurement methods.

It is possible to conduct a more detailed evaluation of the size of each constituent particle and the size of the gaps between the particles.

In this document, we will evaluate the physical properties of carbon black. Carbon black, primarily used as a filler in rubber and plastics, as well as in pigments and electrode materials, is known to have a structure consisting of the smallest unit aggregates made up of domains, and agglomerates formed by the aggregation of these aggregates. The physical properties of carbon black are mainly determined by particle size, particle surface characteristics, and structure. 【Features】 ■ Overview ■ Evaluation Equipment and Evaluation Items ■ Measurement Samples ■ Discussion ■ Summary ■ Measurement Results *For more details, please refer to the PDF document or feel free to contact us.

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What are the suitable theories and adsorbates for evaluating the pore structures of porous carbon and silica?

What are the suitable theories and adsorbates for evaluating the pore structures of porous carbon and silica?

[Web Seminar] Introduction to the Theory of Suitable Pore Distribution Evaluation and What Adsorbates Are.

In the Microtrac MRB Webinar Series 1 and 3, we introduced the points to consider in adsorption isotherm measurements, the BET specific surface area evaluation method, and classical pore structure evaluation (such as the t-method, capillary condensation theory, and adsorption potential theory). This time, using porous carbon, silica, and zeolites, which are used in various battery electrodes, gas separation, catalysts, and catalyst support materials, we will present an overview of the new pore distribution evaluation theory (NLDFT/GCMC) and from these evaluation cases, we will introduce what constitutes an appropriate pore distribution evaluation theory and adsorbate. Additionally, we will introduce the breakthrough curve measurement, which has been added as a new feature to the catalyst evaluation device "BELCAT II," along with measurement examples for single-component and two-component cases. *For more details, please refer to the PDF materials or feel free to contact us.

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[Data] Evaluation of pore structure of porous materials using NLDFT method and GCMC method.

[Data] Evaluation of pore structure of porous materials using NLDFT method and GCMC method.

Evaluation of pore structure of porous materials with cylindrical pores using NLDFT and GCMC methods - Selection of suitable adsorbates and analysis methods?

So far, various methods for evaluating the pore structure of porous materials have been used based on the differences in pore structures. In the micro-pore region, methods such as the HK method, SF method, and CY method based on adsorption potential theory have been employed, while in the meso-macro pore region, classical pore distribution analysis methods such as the INNES method and BJH method based on capillary condensation theory have been used. On the other hand, in recent years, there has been growing attention on new pore distribution analysis methods such as NLDFT and GCMC, which allow for analysis based on a unified theory from micro-pores to meso-macro pores through computer simulations. This document examines which theory, NLDFT or GCMC, is more suitable for pore distribution analysis. Additionally, while the adsorbate proposed by IUPAC 2015 is Ar adsorption, it also investigates the usefulness of N2 adsorption. Specifically, it analyzes the N2 and Ar actual adsorption isotherms of mesoporous silica MCM41, MFI, and MTW zeolites. *For more details, please refer to the PDF document or feel free to contact us.*

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