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Wednesday, August 12, 2020 | History

3 edition of Investigation of tritiated luminous compounds found in the catalog.

Investigation of tritiated luminous compounds

Stephen L. Kaufman

Investigation of tritiated luminous compounds

by Stephen L. Kaufman

  • 220 Want to read
  • 24 Currently reading

Published by Environmental Protection Agency, Office of Research and Monitoring, Radiation Research in Rockville, Md .
Written in English

    Subjects:
  • Tritium -- Environmental aspects,
  • Tritium -- Physiological effect,
  • Phosphors -- Physiological effect

  • Edition Notes

    StatementStephen L. Kaufman ... [et al.]
    SeriesEERL -- 71-2.
    ContributionsEastern Environmental Radiation Laboratory (U.S.)
    The Physical Object
    Paginationx, 14 p. :
    Number of Pages14
    ID Numbers
    Open LibraryOL17630951M
    OCLC/WorldCa10178633

    by the Federal Bureau of Investigation (FBI) crime lab in Since then, forensic applications of science have kept pace with new discoveries across disciplines.1 Investigators often draw on fields such as toxicology or analytical chemistry to sift through data. Techniques such as mass spectrometry and Raman spectroscopy can. During the ingestion, the tritium incorporation into rat tissues was examined in both wet and dry samples of liver, kidney, testis and blood. The concentration of organically bound tritium (OBT) in dry tissues of rats exposed to tritiated water (HTO) and (3)H-food.

    HTO and Other Tritiated Tritium (HT or T2) Than 10 kg of Inert Compounds (Including Gas in Sealed d H2 0 or Other Types of operation Nucleotide Precursors) Process Vessels Substances Processes in open room or bench with Ci Ci Ci/kg possible escape of tritium from process vessels.   The first patent for tritium-based luminous compounds. It was in the above mentioned isotope exchange data program that tritium was found to be an ideal energy source for self-luminous compounds for watch dials and patented by Edward Shapiro on Oct. 29 in the US. The picture below shows an excerpt of said patent.

    chemically identical to unlabelled compounds, allowing the investigation of the properties of organic molecules under a variety of circumstances. Radiochemical production plants in the UK that produce, or have produced, tritiated chemicals are located at Amersham and Cardiff and are now operated by GE Healthcare (formerly Amersham plc). Tritium Cited by: Page 16 - The results of the investigation of radio-active minerals, announced in the preceding chapter, led M. Curie and myself to endeavour to extract a new radio-active body from pitchblende. Our method of procedure could only be based on radio-activity, as we know of no other property of the hypothetical substance. The following is the method pursued for a research based on radio-activity 5/5(1).


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Investigation of tritiated luminous compounds by Stephen L. Kaufman Download PDF EPUB FB2

Tritium is applied as T 2 gas or tritiated water (T 2 O) in the syntheses of different organic compounds. Alkanes can be produced by isotope exchange reactions of hydrogen in organic compounds: () R − H + T O 2 → Pd, heating R − T + THO. Snell, J. F., and Cheng, L. “Studies in Metabolic Spectra.

Application of Metabolic Spectra to the Investigation of the Mode of Action of Oxytetracycline (Terramycin),” Antibiotics Annual –58, Medical Encyclopedia, Inc., New York ().

Google ScholarCited by: 1. Preparation of Compounds Labeled with Tritium and Carbon is an essential guide to the specialist strategies and tactics used by chemists to prepare compounds tagged with theradioactive atoms carbon and tritium. activator for self-luminous devices and at least as many different variations in the method of fabrication.

This present investigation is concerned only with evaluating the hazards presented by tritium (gaseous) and promethium (1'7Pm) as phosphor activators. Further,File Size: 1MB. Synthesis and investigation of a novel luminous hydrogel.

Abstract. A novel europium-containing luminescent hydrogel was designed and synthesized through free radical copolymerization and ester hydrolysis. A Eu-organic complex containing polymeric reactivity groups (Eu(DBM) 2 (Phen)(MA)) was synthesized and polymerized with vinyl acetate (VAc).Cited by: 9.

The Journal of Organic Chemistry64 (16), DOI: /jo Brian D. Casson and, Colin D. Bain. Phase Transitions in Mixed Monolayers of Sodium Dodecyl Sulfate and Dodecanol at the Air/Water Interface.

The Journal of Physical Chemistry B(38), DOI: /jpCited by: A major investigation was Investigation of tritiated luminous compounds book that included a search of records concerning tritium use, disposal, and previous analyses, and a survey of tritium levels in soil, vegetation, and water in contaminated and potentially contaminated areas.

Although the specific activity of tritiated compound was about 40 Ci mmol −1 indicating approximately tritium atoms per methyl group, the measured separation factors were rather high (Table 6). The separation factors depend strongly on the pH of the mobile phase, so that the isotope effect on the basicity of the dimethylamino group is probably significant.

By the study of tritiated derivatives we have found that the liver carcinogen, 2-acetylaminofluorene, is concentrated to a greater extent in the liver Cited by: 3. The removal of tritium from the body depends on age, temperature, relative humidity and daily rainfall; so tritium removal rate, its follow-up and proper data analysis and recording are the best techniques for management of accidental acute tritium exposed cases.

The inhibitory effects of desipramine and some related agents on the uptake of tritiated noradrenaline in slices of cerebral cortex of the mouse and the uptake of tritiated dopamine in slices of the corpus striatum of the rabbit were investigated. Quick management of accidental tritium exposure cases Vishwanath P.

Singh. Managanvi, H. Bhat, Quick management of accidental tritium exposure cases, Radiation Protection Dosimetry, VolumeIssue 4, JulyPages –, Radiation hazards of workers using tritiated luminous compounds.

The procedure is based on hydrogen exchange in alkaline solutions of tritiated water. It was noted that the antibiotic was much more alkali labile than model compounds such as uridine. The alkali stability of the inhibitor was studied to determine conditions for optimum labeling and by: 2.

The data suggested that the barrier integrity of such tissues is compromised relative to healthy skin tissue. In the present paper we report a more extensive investigation of the in vitro permeability characteristics of tritiated water in matched normal skin samples and peri-ulcer skin samples from diabetic ischaemic patients.

To our knowledge no other quantitative data comparing the permeability. @article{osti_, title = {DEVELOPMENT OF A TRITIUM IMPREGNATED METAL FOR USE AS THE ACTIVATOR IN A SELF-LUMINOUS PHOSPHOR AND FOR USE AS AN IONIZATION SOURCE.

Period covered to Septem }, author = {Prosser, D L and Wright, C H and Atherton, J E and MacHutchin, J G and Dooley, H H}, abstractNote = {A description of the methods. Evidence for the Preservation of Technogenic Tritiated Organic Compounds in an Estuarine Sedimentary Environment Article in Environmental Science & Technology 46(11).

The investigation of chemisorption and catalyst poisons by radiochemical techniques. Part 1.—The desorption of tritiated hydrogen from nickel films by radioactive mercury and The Royal Society of Chemistry.

For reproduction of material from PCCP: Cited by: Microorganisms are simplest and basic part of marine ecosystems and their physiological indices can serve as indicators of the state of the ecosystems on the whole. Hence, microorganisms can be used to monitor environmental toxicity, including radiotoxicity.

Marine luminous bacteria are good candidates for such by: external irradiation, experience has shown that tritiated water, or a simple tritiated organic molecule, evolves from the self-luminous compound (26, 63) and leakage of 3H from watches has been found to result in annual doses to wearers of the order of one millirad.

low toxicity. The most advantageous property of tritiated compounds as tracers is due to the high stability of the tritium label under experimental conditions.

The most stable label is the tritium attached C atom. Labile- acid labile- alkali labile- and bio labile tritium can be in the labelled compounds. ALTHOUGH considerable information is available about the lability of the tritium in tritiated compounds treated with acid or alkaline solutions1, little attention has Cited by: The investigation of chemisorption and catalyst poisons by radiochemical techniques.

Part 1.—The desorption of tritiated hydrogen from nickel films by radioactive mercury and The Royal Society of Chemistry. For reproduction of material from PCCP.The investigation of organic ML can promote the development of “aggregated state chemistry” and the luminous theory in the aggregate state.

This article is part of the themed collections: Materials Chemistry Frontiers Review-type Articles and Materials Chemistry in Tianjin UniversityCited by: 1.