SEARCH Articles Figures Tables Deuterium isotope effects product dependence Deuterium isotope effects substrate dependence Elements mass-dependent isotope fractionation Inverse isotope dependence Isotope effect mass-dependence Isotope mass-dependent Isotopic perturbation method temperature dependence Kinetic isotope effects dependence Kinetic isotope effects normal temperature dependence Kinetic isotope effects product dependence Kinetic isotope effects substrate dependence Kinetic isotope effects temperature dependence Mass-dependent isotope fractionation Primary isotope effects temperature dependence Radiogenic mass-dependent isotope fractionation Stable isotopes mass dependent fractionation Sulfur isotopes mass dependent Temperature Dependence of Isotope Effects