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X-Ray Diffraction

Most minerals are crystalline and therefore scatter X-rays in a regular, characteristic way dependant on their crystal structure.  Each mineral produces a unique diffraction pattern and can be identified from that pattern like a fingerprint. Identification of minerals is made by comparing their diffraction patterns with a library of over 17,000 mineral patterns stored in the International Centre for Diffraction Data (ICDD). Detection limits depend on the sample. For geological material, it is estimated that the minerals present in less than 2% of the sample might not be detected. The samples for X-ray diffraction analysis are ground or milled to a fine powder and then hand pressed into the sample holder.  Approximately 1cm3 of the material is sufficient for rock mineral analysis but smaller amounts can also be accommodated by using a low background holder. 


Code E9

Mineral Identification (semi-quantitative) - minerals are identified and their amounts determined using the Rietveld method      
Mineral Identification (quantitative) - minerals are identified and their amounts determined using the Rietveld method.  Corundum is added to the sample as an internal standard in order to determine the amount of X-ray amorphous material.
Mineral Identification (qualitative) - minerals are identified, however their amounts are not determined       
Clay Speciation 
Alpha Quartz
Mineral Identification (Rietveld) + Clay Speciation



Activation Laboratories Ltd. | 41 Bittern Street, Ancaster, Ontario, L9G 4V5, Canada | TF: +1.888.228.5227
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