BET 比表面分析仪

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

Test methods: Direct Comparison method, BET Single-point

Gas: mixed gas of high purity nitrogen and helium (The proportion of nitrogen and helium is 3/7; and gas purity is 99.999%).

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

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

Sample NO: one standard sample and 3 samples tested

Test Efficiency: Direct comparison measures specific surface area: 15 minutes for three samples

Repeatability Accuracy: less than ±1 %

Data acquisition: high-precision data acquisition and processing chip, high anti-interference ability.

Data processing: WINDOWS-compatible data processing software, completely green without instal领, providing multi-mode data analysis, graphical processing interface, real-time monitoring experiment, simple operation.

Control system: The entire testing process is completely automatic. With large volume dewar and liquid nitrogen surface control technology, the whole experiment don’t need add liquid nitrogen.

原理方法：流动色谱法，低温氮吸附；

测试功能：对比法比表面积测定，带多层吸附修正;

吸附或脱附动力学过程测试（可选功能）；

测试模式：多样品分别独立全自动吸附过程测试；

测试气体：高纯氮气（99.999%）+ 高纯氦气（99.999%）混合气体；

测试范围：0.01m2/g500m2/g ，尤其适合小比表面样品测试；

重复精度：≤± 1.0%；

测试效率：平均每个样品5min，测试结果由软件自动实时得出；

分析站 ：4个样品位，可同时进行3个被测样品的分析；