supported by the National Natural Science Foundation of China (41325007 and 40573021);the Program for New Century Excellent Talents in University (NCET-05-0665)
Supergene jarosite is widely distributed in weathering profiles derived from hypogene sulfide ores.Precise40Ar/39Ar dating and determination of hydrogen and oxygen isotopes of supergene jarosite can not only place tig...
supported by the National N atural Science Foundation of China(Grant Nos.40403008 and 40372106);the China Postdoctoral Science Foundation.
Both low procedural blank and high-precision measurements of isotopic ratios are crucial for the analysis of micro samples. This study reports a chemical procedure of ultra-low blank for the high precision measurement...