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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 %
比表面积测试仪应用领域:
◎/span>橡胶材料:炭黑、白炭黑、碳酸钙、氧化锌、硅胶?/span>氧化硅等化工原料:/span> ◎/span>电池材料:钴酸锂、锰酸锂、磷酸铁锂、石墨、三元材料?/span>隔膜等电极正负极材料:/span> ◎/span>脱硫脱硝材料:脱硝催化剂等; ◎/span>食品添加剂:淀粉、活性白土、膨润土等; ◎/span>磁性材料:四氧化三铁、铁氧体、四氧化三锰等; ◎/span>纳米材料:纳米陶瓷粉体(氧化铝、氧化锆、氧化钇、氮化硅?/span>碳化硅等)、纳米金属粉体(银粉、铁粉、铜粉、钨粉、镍粈/span>等)、纳米高分子材料、碳纳米管等:/span> ◎/span>煤矿行业:煤、矿石、岩石、页岩气、煤层气等; ◎/span>其他材料:超细纤维、多孔织物、复合材料、土壤等、/span>
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