Process for making solid-state radiation-emitting composition

Title: Process for making solid-state radiation-emitting composition

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Abstract

The invention provides a process for loading an aerogel substrate with tritium and the resultant compositions. According to the process, an aerogel substrate is hydrolyzed so that surface OH groups are formed. The hydrolyzed aerogel is then subjected to tritium exchange employing, for example, a tritium-containing gas, whereby tritium atoms replace H atoms of surface OH groups. OH and/or CH groups of residual alcohol present in the aerogel may also undergo tritium exchange.

Inventors:: Ashley, C S; Brinker, C J; Reed, S; Walko, R J

Issue Date:: 1993-08-31

OSTI Identifier:: 6042964

Patent Number(s):: 5240647

Application Number:: PPN: US 7-753470

Assignee:: SNL; EDB-93-121798

DOE Contract Number:: AC04-76DP00789

Resource Type:: Patent

Resource Relation:: Patent File Date: 3 Sep 1991

Country of Publication:: United States

Language:: English

Subject:: 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; GELS; LABELLING; TRITIUM; ISOTOPIC EXCHANGE; ALCOHOLS; GASES; HYDROLYSIS; HYDROXYL RADICALS; SUBSTRATES; SURFACE PROPERTIES; TRITIUM COMPOUNDS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CHEMICAL REACTIONS; COLLOIDS; DECOMPOSITION; DISPERSIONS; FLUIDS; HYDROGEN COMPOUNDS; HYDROGEN ISOTOPES; HYDROXY COMPOUNDS; ISOTOPES; LIGHT NUCLEI; LYSIS; NUCLEI; ODD-EVEN NUCLEI; ORGANIC COMPOUNDS; RADICALS; RADIOISOTOPES; SOLVOLYSIS; YEARS LIVING RADIOISOTOPES; 400703* - Radiochemistry & Nuclear Chemistry- Radioisotope Production; 400202 - Isotope Effects, Isotope Exchange, & Isotope Separation

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                    Ashley, C S, Brinker, C J, Reed, S, and Walko, R J. Process for making solid-state radiation-emitting composition.  United States: N. p., 1993. 
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                    Ashley, C S, Brinker, C J, Reed, S, & Walko, R J. Process for making solid-state radiation-emitting composition.  United States.

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                    Ashley, C S, Brinker, C J, Reed, S, and Walko, R J. Tue .  
        "Process for making solid-state radiation-emitting composition".  United States.

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@article{osti_6042964,

  title        = {Process for making solid-state radiation-emitting composition},

  author       = {Ashley, C S and Brinker, C J and Reed, S and Walko, R J},

  abstractNote = {The invention provides a process for loading an aerogel substrate with tritium and the resultant compositions. According to the process, an aerogel substrate is hydrolyzed so that surface OH groups are formed. The hydrolyzed aerogel is then subjected to tritium exchange employing, for example, a tritium-containing gas, whereby tritium atoms replace H atoms of surface OH groups. OH and/or CH groups of residual alcohol present in the aerogel may also undergo tritium exchange.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1993},

  month        = {8}

}

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