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Are there latest articles that discuss the relative mobility of major ions? For example, Angerson and Hawkes, 1958 put forward the relative mobility of cations during rock weathering as Ca>...
11 November 2015 5,617 7 View
I have experienced (-) negative values for a particular element in AAS or ICE-AES analysis. 1. What does this really mean and how could it happen? Can we explain it using the calibration curve? 2....
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I have SiO2 standard stock solution of 1000 ppm where SiO2 in 2M Na2CO3. I want to prepare working standards of 0.3, 0.5. and 1 ppm solutions to be used in ICP-AES. The matrix of samples for...
08 August 2015 6,286 4 View
Is there any website where I can find 2theta(/theta) values for peaks generated by minerals? Given that the sample mineral composition is not well known. Thank you
03 March 2015 1,392 10 View
XRF Data Analysis I have received XRF data sheet of a rock sample where oxides are in weight percentages. Could I use those data as it is or should I treat those data. For example there are some...
09 September 2014 700 13 View
Is it necessary to prepare samples and standard solutions in HNO3 matrix (instead of diluting it with distilled/deionised water) for the analysis with ICP AES? Its also important to mention that...
07 July 2014 10,077 14 View
When it come to batch dissolution experiment (for water-rock interaction study), most authors have selected igneous rocks, sedimentary rocks and minerals formed under igneous conditions. Is there...
05 May 2014 9,640 6 View
