Water vapor adsorption measurement device that continuously varies relative humidity to measure weight changes due to water vapor adsorption and desorption of the sample, automating the adsorption isotherm measurement.
When evaluating the moisture adsorption process of a substance, the relationship between the equilibrium moisture content of the substance and relative humidity, represented by the water vapor adsorption isotherm, is important, and it is necessary to measure this. The Japanese Pharmacopoeia also describes the adsorption-desorption isotherm measurement method. The water vapor adsorption measurement device of the E series automatically sets relative humidity and temperature, measuring the weight change due to the sample's water vapor adsorption and desorption with extremely high precision, automating the adsorption isotherm measurement. At the same time, it can record changes in the appearance characteristics of the sample using the built-in camera that is standard equipment. Additionally, by connecting FTIR or RAMAN probes, it is also possible to analyze the water vapor adsorption and desorption characteristics simultaneously with weight changes and spectral analysis.
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basic information
Model： Model E301 Model E201 Model E-101
Price information
Prices vary depending on specifications.
Price range
P5
Delivery Time
P4
※Delivery dates may vary depending on specifications.
Applications/Examples of results
Applications Measurement of the effects of water vapor in pharmaceutical raw materials Measurement of reversible and irreversible effects of water vapor in stability formulations Acquisition of adsorption isotherms from water vapor adsorption equilibrium at humidity stages Measurement of heterogeneity in sample batches Measurement of water vapor mobility through velocity determination Strength of binding between water vapor and raw materials in the surface or bulk Measurement of amorphous transition Measurement of hydration and solvation point formation Measurement of drying properties Measurement of diffusivity and activation energy Measurement of water vapor adsorption content
Detailed information
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The sample room is spacious, and the top plate design provides excellent operability. It is equipped with a standard feature for recording changes in the sample's properties through images. It is a device that can accommodate FTIR and RAMAN probes.
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Company information
We at East Core continue to develop products specialized in the analysis of solid surface properties such as powders, and through products like water vapor adsorption measurement devices and freeze-drying microscopy systems, we support problem-solving in the medical and chemical fields with the cooperation of research institutions both domestically and internationally.