Determination of specific surface area by gas adsorption

There are many methods for measuring the specific surface area of ​​the gas adsorption method. Among them, the gas adsorption method is widely used in various industries at home and abroad because of its scientific testing principle, the reliability of the test process, and the consistency of the test results. Other test methods have become recognized as the most authoritative test methods. Many international standards organizations have listed the gas adsorption method as the specific surface area test standard, such as ASTM D3037 of the United States and ISO-9277 of the international ISO standards organization. There are many industry standards for specific surface area testing in China, the most representative of which is the national standard GB / T 19587-2004 "Determination of Specific Surface Area of ​​Solid Matters by Gas Adsorption BET Method".

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