# Reference materials analyzed in the laboratory for THg isotopic composition # PI: Joel D. Blum (University of Michigan) # Co-PIs: Brian N. Popp, Kanesa Seraphin, Jeffrey C. Drazen (University of Hawaii), & Claudia Benitez-Nelson (University of South Carolina) # Version date: 21-Feb-2020 ========================= Reference_Material Range_of_Sessions Average_plus_minus_2SD n d202Hg d202Hg_2SD D204Hg D204Hg_2SD D201Hg D201Hg_2SD D200Hg D200Hg_2SD D199Hg D199Hg_2SD ------------------------- UM-Almaden 24Jul2013-12Dec2016 All 55 -0.56 0.07 0.00 0.04 -0.04 0.05 0.01 0.03 -0.02 0.05 UM-Almaden 24Jul2013-12Dec2016 4.3-5 ng/g 52 -0.55 0.07 0.00 0.03 -0.03 0.05 0.00 0.03 -0.02 0.03 UM-Almaden 24Jul2013-12Dec2016 1.9-3.3 ng/g 15 -0.59 0.06 0.02 0.01 -0.05 0.04 0.02 0.04 -0.03 0.10 DORM-3 24Jul2013-28Jan2016 All 10 0.44 0.09 -0.05 0.00 1.49 0.06 0.05 0.08 1.81 0.12 ERM-CE464 24Jul2013-12Dec2016 All 7 0.60 0.13 -0.10 0.04 1.99 0.04 0.09 0.09 2.43 0.08 NIST CRM1947 24-Jul-13 All 10 1.18 0.26 -0.18 0.08 4.30 0.01 0.10 0.00 5.47 0.03 TORT-2 9Jul2013-28Jan2016 All 31 0.09 0.10 -0.11 0.13 0.61 0.08 0.10 0.09 0.77 0.05 TORT-2 9Jul2013-28Jan2016 5ng/g 12 0.08 0.04 -0.07 0.03 0.62 0.05 0.09 0.03 0.79 0.04 TORT-2 9Jul2013-28Jan2016 1.4-3.7 ng/g 19 0.09 0.12 -0.13 0.14 0.61 0.09 0.10 0.11 0.76 0.05