加拿大ABB水同位素分析仪（IWA-45EP）(δ2H, δ17O, δ18O)

性能指标：

重复性/精度--液态水高速度模式（1σ，110未知样品/天）：
保证精度：δ²H＜0.5‰，δ¹⁷O＜0.1‰，δ¹⁸O＜0.1‰
典型精度：δ²H＜0.3‰，δ¹⁷O＜0.08‰，δ¹⁸O＜0.08‰
重复性/精度--液态水高精度模式（1σ，30未知样品/天）：
保证精度：δ²H＜0.2‰，δ¹⁷O＜0.03‰，δ¹⁸O＜0.03‰
典型精度：δ²H＜0.15‰，δ¹⁷O＜0.025‰，δ¹⁸O＜0.025‰
重复性/精度--气态水模式（1σ，10s/100s）：
δ²H：0.5‰ / 0.2‰
δ¹⁸O：0.15‰ / 0.05‰
δ¹⁸O：0.15‰ / 0.05‰
 [H₂O]：0.2% / 0.07%
测量速度：
液态水：800注入/天（130个样品，其中110个未知样品）
气态水：最高可达2Hz（响应时间<6秒时需外置泵）
水汽同位素测量范围：
3000~60000 ppm（非冷凝）
水汽同位素可选量程：
0~70000 ppm
水汽同位素最大漂移（15分钟平均，标准温度压力，24小时）：
δ²H：0.5‰
δ¹⁷O：0.2‰（IWA-45EP）
δ¹⁸O：0.2‰
H₂O：0.1%
液态水进样量：
＜1μL/针，可调
液态水样品盐度：
＜4%
环境条件：
样品温度：5~50 ℃（液态水）；-20~50 ℃（气态水）
操作温度：0~45 ℃
环境湿度：0~100% RH，无冷凝
温度控制精度：
0.003 ℃
压力控制精度：
0.001 torr；
输出：
数字（RS 232）、以太网、USB
电力需求：
115/230 VAC，50/60 Hz，180 W（包含所有组件）
尺寸与重量：
27.9 cm（H）x 96.5 cm（W）x 55.9 cm（D），50 kg
 
订货信息：
型号（Model）：
912-0032
可选附件：

1. 908-0008-9001：自动进样系统，包括控制软件

2. 908-0004-9002/3：水汽同位素标气发生器

3. 908-0003-9001或MIU-377-16：16道多路器

4. 908-0003-9002或MIU-374-8：8道多路器

5. 908-0008-9520：野外多路水样连续监测配件包，包括进样盘、进样T型接口、4通道蠕动泵等

6. 904-0002：数据采集软件（包含USB/RS 232线缆），可记录并同步多台ABB分析仪或者其他设备（如GPS、风速计等）输出的数据

7. 耗材：空气过滤器、1.2µl注射器、隔膜（50/包）、2 ml样品杯（100/包）、样品杯帽（100/包）、10µm的过滤器、干空气罐、8目干燥剂、标样（5种）和0.45μm过滤器

 
产地：
加拿大ABB公司
 
应用文献：
“Identification and correction of spectral contamination in 2H/1H and 18O/16O measured in leaf, stem, and soil water“
Natalie M. Schultz, Timothy J. Griffis, Xuhui Lee and John M. Baker
Rapid Communications in Mass Spectrometry, volume 2011, 25, 3360–3368
“Hydrological Tracer Studies at a DOE IFRC Site in Rifle, Colorado“
Gupta, M.; Williams, K. H.; Berman, E. S.; Conrad, M. E.
American Geophysical Union, Fall Meeting 2010, abstract #H23E-1269
“Advances in High-Frequency Liquid Water Isotope Analyzer for Hydrological Measurements in the Field“
Owano, T. G.; Berman, E. S.; Leen, J.; Baer, D. S.
American Geophysical Union, Fall Meeting 2010, abstract #H51B-0886
“High-Frequency Field Deployable Isotope Analyzer for Hydrological Applications“
Elena Berman, Manish Gupta, Chris Gabriell, Tina Garland, Jeff McDonnell
European Geophysical Union, 2010, May 3 - 7, 2010
“Discrepencies between Isotope Ratio Infrared Spectroscopy and Isotope Ratio Mass Spectronmetry for the Stable Isotope Analysis of Plant and Soil Waters“
Adam G. West, Gregory R. Goldsmith, Paul D. Brooks, Todd E. Dawson
Rapid Communications in Mass Spectrometry, 24(14: 1948-1954
“High-frequency field-deployable isotope analyzer for hydrological applications “
Manish Gupta, Oregon State University
The Consortium of Universities for the Advancement of Hydrologic Science, Incorporated (CUAHSI) , Cyberseminars, March 12, 2010
“High-Frequency Field Deployable Isotope Analyzer for Hydrological Applications“
Manish Gupta, Elena Berman, Chris Gabrielli, Tina Garland, J. McDonnell
Water Resources Research, Water Resour. Res., 45, W10201, doi:10.1029/2009WR008265
“Installing, Running, and Maintaining the Liquid-Water Stable Isotope Analyzer“
P.K.Aggarwal, T.Kurttas, B.Newmann, A.Tanweer
IAEA, Water Resources Program
“Laser Spectroscopic Analysis of Liquid Water Samples for Stable Hydrogen and Oxygen Isotopes“
International Atomic Energy Commission
IAEA, Training Course Series 35
“High-Precision Laser Spectroscopy D/H and 18O/16O Measurements of Microliter Natural Water Samples“
G. Lis, L. I. Wassenaar, and M. J. Hendry
Anal. Chem., Vol, 80 (1), 287-293, 2008
“High Resolution Pore Water δ2H and δ18O Measurements by H2O(liquid)-H2O(vapor) Equilibration“
L.I. Wassenaar, M.J . Hendry, V.L. Chostner, and G.P. Lis
Environmental Science and Technology, 2008, 42 (24), pp 9262–9267
“Can hydrogen isotopic ratios in plant lipids provide a quantitative proxy for aridity?“
Feakins S., Sessions A.
Pacific Climate Workshop
2007 May 13-16; Asilomar State Conference Grounds, Pacific Grove, CA
“Can lipid D/H ratios be a quantitative proxy for aridity?“
Feakins S., Sessions A.
ACS Summer Meeting, 2007 August 19-23, Boston MA
“Memory effects in compound-specific D/H analysis by GC-P-IRMS“
Wang, Y.; Sessions, A. L.
AGU Fall Meeting, 2007 December 10-14, Abstract B13A-0889
“Properties of air mass mixing and humidity in the subtropics from measurements of the D/H isotope ratio of water vapor at the Mauna Loa Observatory“
David Noone, Joseph Galewsky, Zachary D. Sharp, John Worden, John Barnes, Doug Baer, Adriana Bailey, Derek P. Brown, Lance Christensen, Eric Crosson, Feng Dong, John V. Hurley, Leah R. Johnson, Mel Strong, Darin Toohey, Aaron Van Pelt
JOURNAL OF GEOPHYSICAL RESEARCH, Vol. 116, D22113, doi:10.1029/2011JD015773, 2011
“Investigating high-frequency variations in stable isotope composition of atmospheric water vapour“
F. Aemisegger, H. Sodemann, S. Pfahl, P. Graf, P. Sturm, H. Wernli
EGU - Geophysical Research Abstracts, poster EGU2011-7686-1
“Autonomous Instrumentation For Fast, Continuous and Accurate Isotopic Measurements of Water Vapor (δ18O, δ2H, H2O) in the Field“
Liem, J. S.; Dong, F.; Owano, T. G.; Baer, D. S.
American Geophysical Union, Fall Meeting 2010, abstract #A51E-0186
“Partitioning evapotranspiration across gradients of woody plant cover: Assessment of a stable isotope technique“
Lixin Wang, Kelly K. Caylor, Juan Camilo Villegas, Greg A. Barron?Gafford, David D. Breshears, and Travis E. Huxman
Geophysical Research Letters, Vol. 37, L09401, doi:10.1029/2010GL043228, 2010
“Development and Deployment of a Water Isotope Analyzer for Accurate, Continuous and High-Frequency Measurements of δ18O and δ2H in Liquid Water and Water Vapor“
Feng Dong and Doug Baer
European Geophysical Union, May 3 - 7, 2010
“Continuous measurements of water vapor isotopic compositions using an integrated cavity output spectrometer: calibrations and application“
L. Wang, K. Caylor, and D. Dragoni
Geophysical Research Abstracts, Vol. 11, EGU2009-3310-1, 2009