A new highly enriched 233U reference material for improved simultaneous determination of uranium amount and isotope amount ratios in trace level samples von Essex, Richard M., Williams, Ross W., Rogers, Kayron T., Hexel, Cole R., Parsons-Davis, Tashi, Treinen, Kerri C.

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A new thorium-229 reference material von Essex, Richard M., Mann, Jaqueline L., Williams, Ross W., Kinman, William S., Hubert, Amélie, Bennett, Megan E., Gourgiotis, Alkiviadis

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Trace impurity analysis in uranium oxide via hybrid quantification techniques—gravimetric standard addition and isotope dilution mass spectrometry von Rogers, Kayron T., Giaquinto, Joseph, Essex, Richard M., Metzger, Shalina C., Ticknor, Brian W., Hexel, Cole R.

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Toward a New Primary Standardization of Radionuclide Massic Activity Using Microcalorimetry and Quantitative Milligram-Scale Samples von Fitzgerald, Ryan P, Alpert, Bradley K, Becker, Daniel T, Bergeron, Denis E, Essex, Richard M, Morgan, Kelsey, Nour, Svetlana, O'Neil, Galen, Schmidt, Dan R, Shaw, Gordon A, Swetz, Daniel, Verkouteren, R Michael, Yan, Daikang

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Preparation and calibration of a 231Pa reference material von Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, Pibida, Leticia

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A highly-enriched 244Pu reference material for nuclear safeguards and nuclear forensics measurements von Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Hubert, Amélie, Humphrey, Marc A., Inglis, Jeremy D., Kinman, William S., Maassen, Joel, Peńkin, Maxim V., Steiner, Robert E.

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New determination of the 229Th half-life von Essex, Richard M., Mann, Jacqueline L., Collé, Ronald, Laureano-Perez, Lizbeth, Bennett, Megan E., Dion, Heather, Fitzgerald, Ryan, Gaffney, Amy M., Gourgiotis, Alkiviadis, Hubert, Amélie, Inn, Kenneth G. W., Kinman, William S., Lamont, Stephen P., Steiner, Robert, Williams, Ross W.

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A reference material for evaluation of 137 Cs radiochronometric measurements von Lavelle, Kevin B, Essex, Richard M, Carney, Kevin P, Cessna, Jeffrey T, Hexel, Cole R

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A reference material for evaluation of 137Cs radiochronometric measurements von Lavelle, Kevin B., Essex, Richard M., Carney, Kevin P., Cessna, Jeffrey T., Hexel, Cole R.

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Isotope dilution mass spectrometry as an independent assessment method for mass measurements of milligram quantities of aqueous solution von Essex, Richard M., Mann, Jacqueline, Bergeron, Denis E., Fitzgerald, Ryan P., Nour, Svetlana, Shaw, Gordon A., Verkouteren, R. Michael

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Gravimetric deposition of microliter drops with radiometric confirmation von Bergeron, Denis E., Essex, Richard, Nour, Svetlana, Shaw, Gordon A., Verkouteren, R. Michael, Fitzgerald, Ryan P.

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A highly-enriched .sup.244Pu reference material for nuclear safeguards and nuclear forensics measurements von Essex, Richard M, Williams, Ross W, Treinen, Kerri C, Hubert, Amélie, Humphrey, Marc A, Inglis, Jeremy D, Kinman, William S

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Preparation and calibration of a .sup.231Pa reference material von Essex, Richard M, Williams, Ross W, Treinen, Kerri C, Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John

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A reference material for evaluation of .sup.137Cs radiochronometric measurements von Lavelle, Kevin B, Essex, Richard M, Carney, Kevin P, Cessna, Jeffrey T, Hexel, Cole R

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Preparation and calibration of a 231Pa reference material von Essex, Richard M., Williams, Ross W., Treinen, Kerri C., Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, Pibida, Leticia

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Preparation and calibration of a 231 Pa reference material von Essex, Richard M, Williams, Ross W, Treinen, Kerri C, Collé, Ronald, Fitzgerald, Ryan, Galea, Raphael, Keightley, John, LaRosa, Jerome, Laureano-Pérez, Lizbeth, Nour, Svetlana, Pibida, Leticia

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A new highly enriched 233 U reference material for improved simultaneous determination of uranium amount and isotope amount ratios in trace level samples von Essex, Richard M, Williams, Ross W, Rogers, Kayron T, Hexel, Cole R, Parsons-Davis, Tashi, Treinen, Kerri C

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New determination of the 229 Th half-life von Essex, Richard M, Mann, Jacqueline L, Collé, Ronald, Laureano-Perez, Lizbeth, Bennett, Megan E, Dion, Heather, Fitzgerald, Ryan, Gaffney, Amy M, Gourgiotis, Alkiviadis, Hubert, Amélie, Inn, Kenneth G W, Kinman, William S, Lamont, Stephen P, Steiner, Robert, Williams, Ross W

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Illustrations of the architectural ornaments and embellishments and painted glass of the Temple Church, London / from drawings specially made, by permission, by W.R.H. Essex ; with... von Essex, Richard Hamilton, 1802-1855

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Roadmap for radioanalytical reference and performance evaluation materials for current and emerging issues von Inn, Kenneth G. W., LaMont, Stephen, Jerome, Simon, Essex, Richard, Johnson, Charles M., Morrison, Jeffrey, Frechou, Carole, Branger, Thierry, Dion, Heather

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