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Core Scanner芯體密度X-光掃描成像與元素分析系統

Core Scanner芯體密度X-光掃描成像與元素分析系統

Core Scanner芯體密度X-光掃描成像與元素分析系統
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Core Scanner芯體密度X-光掃描成像與元素分析系統

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Core Scanner芯體密度X-光掃描成像與元素分析系統結合了X-射線熒光分析(X-ray Fluorescence)、數字X-射線密度成像(digital x-ray micro radiography)和高分辨率數字光學成像技術,實現多種樣芯的非接觸式測量,用于土壤、土芯、海洋或湖底的沉積物、巖石、洞穴堆積物(如鐘乳石),泥炭塊、巖芯等的密度和元素分析。可測量的元素有Al、Si、S、Cl、K、Ca、Cr、Mn、Fe、Cu、Zn、As、Hg、Pb等,其中許多可測至痕量水平以下,對靈敏度和分辨率要求較高的研究尤其適合。系統可應用于土壤分析,環境污染調查、地質勘探、海洋研究等領域。

?原理:

土壤元素分析系統采用XRF、數字X-射線密度成像和高分辨率數字光學成像技術,非破壞性測量,獲得樣品高分辨率的數碼圖像然后利用系統軟件對所得圖像信息進行分析。

系統特點:

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???結合了XRF、數字X-射線密度成像、數字光學成像技術

?? X射線熒光分析,提供Al以上的多種元素的濃度數據(Al – U)

?? 數字X射線密度成像用于樣品的高級分析

?? 可掃描分析土芯等樣品

?? 實現多種元素同時檢測

?? XRF靈敏度達PPM級

?? 檢測效率高,10分鐘即可完成1米樣品的掃描分析

?? 穩定,可靠,重現性好

?? 靈敏度和精確度高

?? 非接觸式分析,不破壞樣品

?? 可超負荷工作,每年可工作幾千小時

系統組成:

X-射線發生器,X-射線管,X-射線安全防護系統,X-光束準直儀,機動樣品臺及樣芯固定裝置,U-型樣品槽,X-射線成像檢測系統,XRF元素分析儀,光學攝像頭,2臺工作站,軟件及驅動,X-光箔,UPS(不間斷電源),激光彩色打印機,設備冷卻裝置。

技術指標:

1、 測量原理:X-射線熒光分析、數字X-射線成像技術、高分辨率光學成像技術。2、 分辨率:X-射線:扁平光管光束0.2x20mm,其中0.2對應沉積物的長度方向。

X-射線熒光光束:常規分辨率0.2mm最高分辨率0.1mm(需定制)

X-射線成像分析,最高分辨率20μm

3、X-射線發生器功率:60 kV,55 mA,最大功率3.3 kW

4、X-射線管:鉻管或鉬管,最大功率2.2 kW(鉻管)和3.0 kW(鉬管),質保壽命為2000h,期望壽命為3000~5000h。

5、X-射線檢測器:用于X-射線數字密度成像,含有1000個感應元件,每個感應元件拍攝20μm寬的樣品圖像,動態范圍達數十倍,樣品最大成像厚度60mm。

6SDD硅漂移檢測器:電子冷卻,用于XRF檢測,可以記錄Al – U的任何元素的標識輻射,5.9 keV時,能量分辨率大約140 eV。單次掃描即可完成所有元素的檢測。

7、增強型光學成像單元:3x16bit數字RGB彩色CCD光學攝像頭和光學圖像信息采集軟件,采用正交偏振濾光片技術和眩光降低技術,可以獲得非常高的圖像質量。攝像頭光學分辨率為50μm,以兩種模式掃描,快速模式(分辨率200μm)和高分辨率模式(分辨率50μm),掃描圖像寬約100mm。

8、X-射線防護裝置:測量過程中,打開儀器時,X-射線自動關閉。

9、樣品臺:自動樣品臺長1800mm,最小步進20μm,溫度穩定時重現性好。

10、樣品槽:樣品槽帶手動調節裝置,可在據樣品橫截面中心線的五個不同的固定位置調整。五個位置是:中心,距中心10mm (左和右),距中心20mm (左和右)。

11、樣品大小和形狀:

1)? 有效測量長度最長1750mm , 寬度120mm

2)? 劈開的、水平放置的沉積物樣品,最大外徑可達120mm

3)? 厚板狀沉積物樣品,厚度1-60mm, 寬度120mm

4)? U形樣品槽

5)? 木材生長錐樣品、平板樣品或圓盤樣品,厚度1-60mm, 寬度120mm

6)? 洞穴堆積物(如鐘乳石)樣品,厚度1-50mm, 寬度120mm

12、工作站:負責掃描控制及數據處理軟件。包括Core Scanner Navigator(掃描控制軟件)、Qspec(XRF光譜分析和元素濃度計算軟件)、ReDiCore(數據顯示軟件)及所有其他硬件驅動程序。

13、冷卻裝置:冷卻水泵

14、電源:230v/50Hz/三相,建議配UPS(選配)

15規格:4500×820×1570mm

16、重量:800kg

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深海沉積物樣芯,從上到下曲線代表元素的濃度變化:Fe, Ca, K, Si, Al


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應用案例:

英國海洋中心和南安普頓大學地球化學領域科研人員,將土壤元素分析系統應用于東部地中海沉積泥的研究分析。

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2012年發表的部分參考文獻:

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 And?ya, 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 ?., 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)

6. SR-12-06 Stevenson C.J., Talling P.J., Wynna R.B., Masson D.G., Hunt J.E., Frenz M., Akhmetzhanhov A., Cronin B.T., The flows that left no trace: Very large-volume turbidity currents that bypassed sediment through submarine channels without eroding the sea floor. Marine and Petroleum Geology xxx p1-20 Available online 13 February (2012)

7. SR-12-07 Liang L., Sun Y., Yao Z., Liu Y., Wu F., Evaluation of high-resolution elemental analyses of Chinese loess deposits measured by X-ray fluorescence core scanner. Catena v92 p75–82 (2012)

8. SR-12-08 Kasper T., Haberzettl T., Doberschütz S., Daut G., Wang J., Zhu L., Nowaczyk N., M?usbacher 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)

9. SR-12-09 Gill J.L., Williams J.W., Jackson S.T., Donnelly J.P., Schellinger G.C., Climatic and megaherbivory controls on late-glacial vegetation dynamics: a new, high-resolution, multi-proxy record from Silver Lake, Ohio. Quaternary Science Reviews v34 p66-80 (2012)

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)

11.?? SR-12-11 Ojala A.E.K., Francus P., Zolitschka B., Besonen M., Lamoureux S.F., Characteristics of sedimentary varve chronologies - A review. Quaternary Science Reviews v43 p45-60 (2012)

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., V?tt 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)

15.?? SR-12-15 Bennike O., Wagner B., Deglaciation chronology, sea-level changes and environmental changes from Holocene lake sediments of Germania Havn S?, Sabine ?, northeast Greenland. Quaternary Research xxx xxx–xxx (2012)

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., Türke? 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 ?., 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., Meht?talo L., Peltola H., Ven?l?inen 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., Kolstr?m T., Meril?inen 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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