二氧化碳同位素分析仪...

二氧化碳同位素分析仪(CCIA-36d-EP)参数指标

参数指标我要纠错



技术指标:
1.精度:

  • δ13C:0.2‰/0.1‰;

  • δ18O: 2‰/1‰;

  • [12CO2]:100ppb/50 ppb;

  • [13CO2]:5ppb/3ppb;

  • [CO18O]:1 ppb / 0.5 ppb

  • [H2O]:100 ppm/50 ppm

2.测量速率:1Hz
3.测量范围(全量程线性,满足所有技术指标):

  • CO2:370 – 25000 ppm;

  • H2O: 4000 – 60000 ppm

4.操作范围(可测量范围,需要额外校准):

  • CO2: 0 – 50000 ppm;H2O: 0 – 70000 ppm (非凝结)

5.响应时间:1秒(流速响应< 6秒需要配置可选外置泵)
6.最大漂移(峰峰值,24小时内1小时平均):δ13C: < 0.5‰ (增强型)
7.取样条件:样品温度-20 – 50 °C;操作温度0 – 45 °C;环境湿度:非凝结(0 – 100%相对湿度)
8.压力控制精度:0.001 torr;温度控制精度:0.001度
9.输出:数字(RS232)、网络接口、USB
10.电源需求(稳态):50/60 Hz,350 W (增强型)
11.尺寸:11”× 38”× 22” (增强型);重量:50 kg (增强型)
订货信息:
型号CCIA-36d-EP (货号912-0003):12CO2 ,13CO2, CO18O2, H2O
可选件:

  1. 908-0003-9001:16路多路进样器

  2. 908-0003-9002:8路多路进样器

  3. 908-0001-9011:N940 pump – 提高响应时间(1秒)

  4. 907-0005-9002: 动态稀释系统–可自动进行稀释并扩展量程达100倍

  5. 908-0005-9002:进样针注入–可通过手动进样,用于测量气袋等气体样品

  6. 904-0002:多通道数据采集,可记录多个LGR分析仪和其他设备(例如GPS、风速仪)的数据输出。

产地:美国Los Gatos Research公司
应用文献
 
“Deployment of a Carbon Isotope Ratiometer for the Monitoring of CO2 Sequestration Leakage“
Ian McAlexander, Greg H. Rau, Jimmy Liem, Thomas Owano, Ray Fellers, Douglas Baer, and Manish Gupta
Analytical Chemistry, http://dx.doi.org/10.1021/ac2007834
 
“A new chamber method for the simultaneous determination of δ13C and δ18O in soil derived CO2“
Nils Prolingheuer, Harry Vereecken, and Jens-Arne Subke
EGU - Geophysical Research Abstracts, Vol. 13, EGU2011-2550-3, 201
 
“Use of Laser Spectroscopy To Measure the 13C/12C and 18O/16O Compositions of Carbonate Minerals“
Shaun L. L. Barker, Gregory M. Dipple, Feng Dong, and Douglas S. Baer
Analytical Chemistry, DOI: 10.1021/ac103111y
 
“Use of laser spectroscopy to measure the del_13C and del_18O composition of carbonate minerals“
Barker, S. L.; Dipple, G. M.; Dong, F.; Baer, D. S.
American Geophysical Union, Fall Meeting 2010, abstract #V51B-2194
 
“Fast carbon isotope analysis of CO2 using cavity enhanced laser absorption: water effects and extended dynamic range [300 ppmV to 100000 ppmV CO2 in air]“
McAlexander, W. I.; Fellers, R.; Owano, T. G.; Baer, D. S.
American Geophysical Union, Fall Meeting 2010, abstract #B23A-0386
 
“Carbon isotope analysis of discrete CO2 samples ranging from 300 ppmv to 100% using cavity enhanced laser absorption“
Wm. Ian McAlexander, Raymond Fellers, Thomas Owano, Doug Baer
European Geophysical Union General Assembly, May 3 - 7, 2010



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