Introduction
The Sedimentology Laboratory was set up in 2016, and is opened mainly to academic users for the analysis of quantitative mineralogy, major elements content and grain size. Including one instrument room and two pretreatment room.
There are three instruments: X-ray powder diffraction instrument (XRD), X-Ray Fluorescence Spectrometer (XRF) and Laser particle size analyzer.
1. XRD instrument
Instrument brand:PANalytical. Instrument model: X'pert Pro. Run at 45 kV, 40 mA, Cukα. It was bought on 2010 with automatic sample changers and it could load 45 samples every times.
Two types of mineral component was applied in this lab. One is clay mineral analysis, the result will show the relative component of four different clay mineral such as smectite, illite, chlorite and kaolinite. Untill now many papers on this research has been published.The other analysis is about quantitative mineralogy on bulk samples, the result will show all the mineral content measured by the instruments if the content is higher than 5%. And few samples could be measured when the content is lower such as 1%.
2. XRF instrument
Instrument brand:PANalytical. Instrument model: Axios with Rh target. It was bought on 2013 with automatic sample changers and it could load 48 samples every times. It was mainly used to analysis the major elements content. Two different pretreatment, one is pressured samples (need 3.5-5g dry samples) and the other is fuzing samples (need 0.7g dry samples). Natural sediment samples are acceptable such as silicate and carbonate.
3. Laser particle size analyzer
Instrument brand: BECKMAN. Instrument model: LS-230. It was bought on 2001 and the measure range of grain size is 0.04μm--2.000μm. It need 0.2g dry sample.
Contact Person: Yanli Li
Email:yanlili@tongji.edu.cn