据技术部5月15日14点11分透露：BET 比表面分析测试仪 JW-DA BET Surface Area Analyzer的行业应用@技术新闻 http://www.app17.com/c151186/products/d9715127.html

比表面及孔径分析仪,物理吸附仪,比表面积测量仪,真密度仪

- -Technical Parameters

Test principal: Continuous Flow Chromatography method, Low temperature nitrogen adsorption

Test methods: Direct Comparison method, BET (single-point, multi-point), Langmuir surface area

Adsorption gas:  N₂ (Adsorbate 99.999%）, He  (Carrier 99.999%)

Flow control: automatic control program, P / Po 0.05 - 0.35, control accuracy error ≤ 0.5%;

Control efficiency: 0.01 ml / min, each point of P/Po adjustment ≤ 5 seconds

Calibration: the quantitative volume of nitrogen used for calibrating automatically

Measuring range: Surface area ≥ 0.01m²/g, no upper limits;

Sample NO:  4

Test Efficiency: Direct comparison measures specific surface area: 5-8 minutes per sample

BET surface area: 25 minutes per sample

Repeatability Accuracy:  ≤ ±1 %

原创作者：北京精微高博科学技术有限公司