Plutonium Oxidation States in Corals and in Synthetic       Calcium Carbonates
{'Code': '06040302', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Nicholas Anderson', 'PO_EMAI': 'nanderso@nsf.gov', 'PO_PHON': '7032924715'}
Annual growth bands from the coral Montastrea annularis                 preserve a record of fallout plutonium concentrations which is                  simply related to the known history of fallout 90-Sr deposition.                The relationship between the plutonium concentration in an annual               band and in coeval seawater is clouded by ignorance of mechanisms               of plutonium uptake by corals and in synthetic calcium                          carbonates.                                                                             The coral plutonium oxidation-state signature will be                   recovered through application to corals of techniques (solvent                  extraction, coprecipitation, selective adsorption) previously                   applied to homogeneous aqueous solutions.  Comparisons will be                  made within (by ages of annual bands) and between corals (over                  taxonomy and geography).                                                                Coprecipitaiton experiments will provide models of the                  physicochemical control of plutonium uptake in calcium carbonate.               Coprecipitation of plutonium oxidation states in aragonite will                 be emphasized, but coprecipitations with calcite and aragonite                  will be compared.  In all cases rate of precipitation will be                   controlled.  Results for plutonium coprecipitation will be                      compared with those obtained for actinide analog (Th, U, Np, Am)                for the plutonium oxidation states.
{'FirstName': 'Richard', 'LastName': 'Dodge', 'PI_MID_INIT': 'E', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Richard E Dodge', 'EmailAddress': 'Dodge@ocean.nova.edu', 'NSF_ID': '000087889', 'StartDate': '06/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Nova Southeastern University', 'CityName': 'FT LAUDERDALE', 'ZipCode': '333282004', 'PhoneNumber': '9542625366', 'StreetAddress': '3300 S UNIVERSITY DR', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Florida', 'StateCode': 'FL', 'CONGRESSDISTRICT': '25', 'CONGRESS_DISTRICT_ORG': 'FL25', 'ORG_UEI_NUM': 'Z1L7BKGEAGC7', 'ORG_LGL_BUS_NAME': 'NOVA SOUTHEASTERN UNIVERSITY, INC', 'ORG_PRNT_UEI_NUM': None}
{'Name': 'Nova University Ocean Science Center', 'CityName': 'Dania', 'StateCode': 'FL', 'ZipCode': '33004', 'StreetAddress': '3301 College Avenue', 'CountryCode': 'US', 'CountryName': 'United States', 'StateName': 'Florida', 'CountryFlag': '1', 'CONGRESSDISTRICT': '25', 'CONGRESS_DISTRICT_PERF': 'FL25'}
{'Code': '167000', 'Text': 'Chemical Oceanography'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8711852.xml'}