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Guatemala is another jade commercial origin in addition to the Myanmar. The Guatemalan jade is usually an assemblage of a variety of mineral compositions, and the mineral composition is unique and different from the Myanmar jade. The characteristics of the structures and paragenetic minerals of the purple and gray-green jade from Guatemala were studied by(More)
A new microwave aided extraction (MAE) technique is introduced in this paper. It gives the extraction method as well as reagents, equipment and conditions used in the technique. In temperature controlled pressurized vessels, polar solvent (eg. acetone) and the combinations of polar and non-polar solvents can be heated to approximately 100 degrees C above(More)
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