产品介绍

Core Scanner芯体密度X-光扫描成像与元素分析系统结合了X-射线荧光分析(X-ray Fluorescence)、数字X-射线密度成像（digital x-ray micro radiography）和高分辨率数字光学成像技术，实现多种样芯的非接触式测量，用于土壤、土芯、海洋或湖底的沉积物、岩石、洞穴堆积物（如钟乳石），泥炭块、岩芯等的密度和元素分析。可测量的元素有Al、Si、S、Cl、K、Ca、Cr、Mn、Fe、Cu、Zn、As、Hg、Pb等，其中许多可测至痕量水平以下，对灵敏度和分辨率要求较高的研究尤其适合。系统可应用于土壤分析，环境污染调查、地质勘探、海洋研究等领域。

原理：

土壤元素分析系统采用XRF、数字X-射线密度成像和高分辨率数字光学成像技术，非破坏性测量，获得样品高分辨率的数码图像，然后利用系统软件对所得图像信息进行分析。

系统特点：

◎ 结合了XRF、数字X-射线密度成像、数字光学成像技术

◎ X射线荧光分析，提供Al以上的多种元素的浓度数据（Al – U）

◎ 数字X射线密度成像用于样品的高级分析

◎ 可扫描分析土芯等样品

◎ 实现多种元素同时检测

◎ XRF灵敏度达PPM级

◎ 检测效率高，10分钟即可完成1米样品的扫描分析

◎ 稳定，可靠，重现性好

◎ 灵敏度和精确度高

◎ 非接触式分析，不破坏样品

◎ 可超负荷工作，每年可工作几千小时

系统组成：

X-射线发生器，X-射线管，X-射线安全防护系统，X-光束准直仪，机动样品台及样芯固定装置，U-型样品槽，X-射线成像检测系统，XRF元素分析仪，光学摄像头，2台工作站，软件及驱动，X-光箔，UPS（不间断电源），激光彩色打印机，设备冷却装置。

技术指标：

1、 测量原理：X-射线荧光分析、数字X-射线成像技术、高分辨率光学成像技术。

2、 分辨率：X-射线：扁平光管光束0.2x20mm，其中0.2对应沉积物的长度方向。

X-射线荧光光束：常规分辨率0.2mm，最高分辨率0.1mm（需定制）

X-射线成像分析，最高分辨率20μm

3、X-射线发生器功率：60 kV，55 mA，最大功率3.3 kW

4、X-射线管：铬管或钼管，最大功率2.2 kW（铬管）和3.0 kW（钼管），质保寿命为2000h，期望寿命为3000~5000h。

5、X-射线检测器：用于X-射线数字密度成像，含有1000个感应元件，每个感应元件拍摄20μm宽的样品图像，动态范围达数十倍，样品最大成像厚度60mm。

6、SDD硅漂移检测器：电子冷却，用于XRF检测，可以记录Al – U的任何元素的标识辐射，5.9 keV时，能量分辨率大约140 eV。单次扫描即可完成所有元素的检测。

7、增强型光学成像单元：3x16bit数字RGB彩色CCD光学摄像头和光学图像信息采集软件，采用正交偏振滤光片技术和眩光降低技术，可以获得非常高的图像质量。摄像头光学分辨率为50μm，以两种模式扫描，快速模式（分辨率200μm）和高分辨率模式（分辨率50μm），扫描图像宽约100mm。

8、X-射线防护装置：测量过程中，打开仪器时，X-射线自动关闭。

9、样品台：自动样品台长1800mm，最小步进20μm，温度稳定时重现性好。

10、样品槽：样品槽带手动调节装置，可在据样品横截面中心线的五个不同的固定位置调整。五个位置是：中心，距中心10mm (左和右)，距中心20mm (左和右)。

11、样品大小和形状：

1） 有效测量长度最长1750mm , 宽度120mm

2） 劈开的、水平放置的沉积物样品，最大外径可达120mm

3） 厚板状沉积物样品，厚度1-60mm, 宽度120mm

4） U形样品槽

5） 木材生长锥样品、平板样品或圆盘样品，厚度1-60mm, 宽度120mm

6） 洞穴堆积物（如钟乳石）样品，厚度1-50mm, 宽度120mm

12、工作站：负责扫描控制及数据处理软件。包括Core Scanner Navigator（扫描控制软件）、Qspec（XRF光谱分析和元素浓度计算软件）、ReDiCore（数据显示软件）及所有其他硬件驱动程序。

13、冷却装置：冷却水泵

14、电源：230v/50Hz/三相，建议配UPS（选配）

15、规格：4500×820×1570mm

16、重量：800kg

应用案例：

英国海洋中心和南安普顿大学地球化学领域科研人员，将土壤元素分析系统应用于东部地中海沉积泥的研究分析。

2012年发表的部分参考文献：

1. SR-12-01 Aarnes I., BjuneA.E., Birks H.H., Balascio N.L., Bakke J., Blaauw M., Vegetation responses to rapid climatic changes during the last deglaciation 13,500–8,000 years ago on southwest Andøya, arctic Norway. Veget Hist Archaeobot v21 p17-35 (2012) DOI 10.1007/s00334-011-0320-4

2. SR-12-02 Rodysill J.R., Russell J.M., Bijaksana S., Brown E.T., Safiuddin L-O-, Eggermont H., A paleolimnological record of rainfall and drought from East Java, Indonesia during the last 1,400 years. J of Paleolimnology v47 p125-139 (2012) DOI 10.1007/s10933-011-9564-3

3. SR-12-03 Hubert-Ferrari A., Avsar U., El Ouahbi M., Lepoint G., Fagel N., Paleoseismic record obtained by coring a lacustrine sag-pond along the North Anatolian Fault (Turkey). Annals of Geophysics (2012)

4. SR-12-04 Giguet-Covex C., Arnaud F., Enters D., Poulenard J., Millet L., Francus P., David F., Rey P.-J., Wilhelm B., Delannoy J.-J., Frequency and intensity of high-altitude floods over the last 3.5 ka in northwestern French Alps (Lake Anterne). Quaternary Research v77 p12–22 (2012)

5. SR-12-05 Vasskog K., Paasche Ø., Nesje A., Boyle J.F., Birks H.J.B., A new approach for reconstructing glacier variability based on lake sediments recording input from more than one glacier. Quaternary Research v77 p192–204 (2012)

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8. SR-12-08 Kasper T., Haberzettl T., Doberschütz S., Daut G., Wang J., Zhu L., Nowaczyk N., Mäusbacher R., Indian Ocean Summer Monsoon (IOSM)-dynamics within the past 4 ka recorded in the sediments of Lake Nam Co, central Tibetan Plateau (China). Quaternary Science Reviews v39 p73-85 (2012)

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10. SR-12-10 Matthews N.E., Smith V.C., Costa A., Durant A.D., Pyle D.M., Pearce N.J.G., Ultra-distal tephra deposits from super-eruptions: Examples from Toba, Indonesia and Taupo Volcanic Zone, New Zealand. Quaternary International v258 p54-79 (2012)

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12. SR-12-12 Wilhelm B., Arnaud F., Sabatier P., Crouzet C., Brisset E., Chaumillon E., Disnar J.-R., Guiter F., Malet E., Reyss J.-L., Tachikawa K., Bard E.d, Delannoy J.-J., 1400 yr of extreme precipitation patterns over the Mediterranean French Alps and possible forcing mechanisms. Quaternary Research xxx xxx–xxx (2012) Available online 4 April

13. SR-12-13 Wagner B., Aufgebauer A., Vogel H., Zanchetta G., Sulpizio R., Magret Damaschke M., Late Pleistocene and Holocene contourite drift in Lake Prespa (Albania/F.Y.R. of Macedonia/Greece). Quaternary International 1-10 (2012)

14. SR-12-14 May S.M., Vött A., Brückner H., Grapmayer R., Handl M., Wennrich V., The Lefkada barrier and beachrock system (NW Greece) — Controls on coastal evolution and the significance of extreme wave events. Geomorphology v139–140 p330–347 (2012)

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16. SR-12-16 Aufgebauer A., Panagiotopoulos K., Wagner B., Schaebitz F., A. Viehberg F.A., Vogel H., Zanchetta G., Sulpizio R., Leng M.J., Damaschke M., Climate and environmental change in the Balkans over the last 17 ka recorded in sediments from Lake Prespa (Albania/F.Y.R. of Macedonia/Greece). Quaternary International xxx (2012) 1-14 (2012)

17. SR-12-17 Georgiopoulou A., Benetti S., Shannon P.M., Haughton P.D.W., McCarron S.. Gravity Flow Deposits in the Deep Rockall Trough, Northeast Atlantic. Chapter 62 (2012)

18. SR-12-18 Pompeani D.P., Steinman B.A., Abbott M.B., A sedimentary and geochemical record of water-level changes from Rantin Lake, Yukon, Canada. J Paleolimnol v48 no1 p147-158 (2012), DOI 10.1007/s10933-012-9602-9

19. SR-12-19 Camill P., Umbanhowar Jr. C.E., Geiss C., Hobbs W.O., Edlund M.B., Cook Shinneman A., Dorale J.A., Lynch J., Holocene climate change and landscape development from a low-Arctic tundra lake in the western Hudson Bay region of Manitoba, Canada. J Paleolimnol v48 no1 p175-192 (2012), DOI 10.1007/s10933-012-9619-0

20. SR-12-20 Croudace I.W., Warwick P.E., Morris J.E., Evidence for the Preservation of Technogenic Tritiated Organic Compounds in an Estuarine Sedimentary Environment. Environ. Sci. Technol. XXXX, XXX, XXX−XXX (2012), dx.doi.org/10.1021/es204247f

21. SR-12-21 Vasskog K., Waldmann N., Nesje A., Chapron E., Ariztegui D., New insight into the ~8100 cal yr BP catastrophic Storegga tsunami event from western Norway. (2012)

22. SR-12-22 Roberts N., Moreno A., Valero-Garcés B.L., Corella J.P., Jones M., Allcock S., Woodbridge J., Morellón M., Luterbacher J., Xoplaki E., Türkeş M., Palaeolimnological evidence for an east–west climate see-saw in the Mediterranean since AD 900. Global and Planetary Change 84-85 (2012) 23–34 (2012)

23. SR-12-23 Vasskog K., Paasche Ø., Nesje A., Boyle J.F., Birks H.J.B., A new approach for reconstructing glacier variability based on lake sediments recording input from more than one glacier. Quaternary Research v77 no1 p192-204 (2012)

24. WR-12-1 Zubizarreta-Gerendiain A., Gort-Oromi J., Mehtätalo L., Peltola H., Venäläinen A., Pulkkinen P. Effects of cambial age, clone and climatic factors on ring width and ring density in Norway spruce (Picea abies) in southeastern Finland. Forest Ecology and Management (2012) v263 p9-16

25. WR-12-2 Starheim C.C.A., Smith D.J., Prowse T.D. Dendrohydroclimate reconstructions of July–August runoff for two nival-regime rivers in west central British Columbia. Hydrol. Process. (2012), DOI: 10.1002/hyp.9257

26. WR-12-3 Helama S., Be´gin Y., Vartiainen M., Peltola H., Kolström T., Meriläinen J. Quantifications of dendrochronological information from contrasting microdensitometric measuring circumstances of experimental wood samples. Applied Radiation and Isotopes v70 p1014–1023 (2012)

27. WR-12-4 Fries A. Genetic parameters, genetic gain and correlated responses in growth, fibre dimensions and wood density in a Scots pine breeding population. Annals of Forest Science (2012), DOI 10.1007/s13595-012-0202-7

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