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全自动化学吸附分析(ChemStar)

¥300.00

  • 型号: THS-113
  • 商品库存: 有现货

- +


分析样例 

       

适用领域 

全自动动态化学吸附仪集脉冲化学吸附和程序升温技术功能于一体,能够进行多种化学吸附和程序升温反应研究,可获得催化剂、催化剂载体和其他各种材料物理特性的信息。典型应用包括使用程序升温技术(程序升温脱附TPD,程序升温氧化TPO、程序升温还原/反应TPR,脉冲化学吸附和流动法BET比表面测试,脉冲校准)对多相催化剂的结构进行表征。

Ø  Temperature Programmed Reduction (TPR)  程序升温还原

Ø  Temperature Programmed Oxidation (TPO)   程序升温氧化

Ø  Temperature Programmed Desorption (TPD) 程序升温脱附

Ø  Temperature Programmed Reaction (TPRx)  程序升温反应

Ø  Pulse Chemisorption    脉冲化学吸附

Ø  Pulse Calibration          脉冲校准

Ø  Iso-thermal Reaction and Kinetic Studies   等温反应和动力学研究

 

面向学科

化学、化工、高分子、材料、环境、生物、医学、药学、农学、地质、食品、生命科学等。

样品要求

样品量的确定:

如果样品的金属负载率较低、测试信号弱,则需要较高的样品量。对于金属负载率是10 %的样品,样品量不少于0.1g即可

样品的性质:

样品中不得含有硫元素。最好不要含有硝酸盐。如果样品中含有易挥发的有机溶剂,最好将其除掉后再上机

 

收费标准      

1)     H2-TPR                                            300/

2)     CO2-TPD                                          400/

3)     NH3-TPD                                         400/

 

分析仪器

仪器名称:全自动化学吸附分析仪
Automated Chemisorption Analyzer
仪器型号:ChemStar
仪器缩写:ChemStar
生产厂家:美国康塔仪器公司
安装日期:2016.6.


仪器标签

TPR. TPD TPO Pulse 金属分散度,程序升温反应 活性金属表面积,微晶尺寸,活性位强度,酸/碱位分布,活化能、比表面积

仪器技术参数

1)     反应炉为贝壳式设计,工作温度范围:室温~1200℃,升温速率:130℃

2)     反应炉温度测控方式:采用床温炉温双点测控方式

3)     样品温度测控方式:独立的温度传感测量与控制

4)     气体管路数:4 路载气,4路处理气,4路混合气。各路气体自动切换

5)     管路材质和管径:配置1/16 英寸的SS 316不锈钢管路(降低死体积和峰扩散)和自动六通阀

6)     管路加热与温度控制要求:仪器内部所有管线和控制阀门均可以加热控温,以防止蒸汽的凝结和滞留

7)     MFC数量: 4个。可以实现自动气体混合功能

8)     气体流速范围:5100 SCCM

9)     检测器类型:线性度良好的高灵敏热导检测器TCD

10)   TCD的最大工作温度:200℃

11)   LOOP环:配置3种体积以上的LOOP环,最小体积5微升

12)   蒸汽发生器: 配置软件多点控温蒸汽发生器



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