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  • 1
    facet.materialart.
    Unknown
    Release of volatile mercury from vascular plants (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Volatile, organic solvent soluble mercury has been found in leaves and seeds of several angiosperms. Leaves of garlic vine, avocado, and haole-koa release mercury in volatile form rapidly at room temperature. In garlic vine, the most active release is temperature dependent, but does not parallel the vapor-pressure temperature relationship for mercury. Mercury can be trapped in nitric-perchloric acid digestion fluid, or n-hexane, but is lost from the hexane unless the acid mixture is present. Seeds of haole-koa also contain extractable mercury but volatility declines in the series n-hexane (90%), methanol (50%), water (10%). This suggests that reduced volatility may accompany solvolysis in the more polar media.
    Keywords: LIFE SCIENCES (GENERAL)
    Type: Physiologia Plantarum; 32; 1974
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Performance of fungi in low temperature and hypersaline environments (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Keywords: LIFE SCIENCES (GENERAL)
    Type: Open Meeting of the Working Group on Space Biology; May 29, 1975 - Jun 07, 1975; Varna; Bulgaria|May 30, 1975 - May 31, 1975
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
    Electronic Resource
    Electronic Resource
    Release of Volatile Mercury from Vascular Plants (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 32 (1974), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Volatile, organic solvent soluble mercury has been found in leaves and seeds of several angiosperms. Leaves of garlic vine (Pseudocallyma alliacium), avocado (Persea americana) and haole-koa (Leucaena glauca) release mercury in volatile form rapidly at room temperature. In garlic vine, the most active release is temperature dependent, but does not parallel the vaporpressure temperature relationship for mercury. Mercury can be trapped in nitric-perchloric acid digestion fluid, or n-hexane, but is lost from the hexane unless the acid mixture is present. Seeds of haole-koa also contain extractable mercury but volatility declines in the series n-hexane (90%) 〉 methanol (50%) 〉 water (10%). This suggests that reduced volatility may accompany solvolysis in the more polar media. Gas chromatographic analysis shows that the volatile compound is not dimethyl mercury.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1974.tb03748.x
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    Paper (German National Licenses)
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