Standard Svensk standard · SS-EN ISO 13162:2015

Water quality - Determination of carbon 14 activity - Liquid scintillation counting method (ISO 13162:2011)

Status: Upphävd

· Ersätts av: SS-EN ISO 13162:2021
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Standard Svensk standard · SS-EN ISO 13162:2015

Water quality - Determination of carbon 14 activity - Liquid scintillation counting method (ISO 13162:2011)
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Omfattning
This International Standard specifies the conditions for the determination of 14C activity concentration in samples of environmental water or of 14C-containing water using liquid scintillation counting. The method is applicable to the analysis of any organic molecule soluble in water that is well mixed with the scintillation cocktail. It does not apply to micelles or “large” particles (lipids, fulvic acid, humic acid, etc.) that are
inadequately mixed with the scintillation cocktail and the water. Some beta energy is lost without any excitation of the scintillation cocktail and the results are underestimated. The method is not applicable to the analysis of organically bound 14C, whose determination requires additional chemical processing (such as chemical oxidation, combustion).
It is possible to determine 14C activity concentrations below 10(up)6 Bq/l without any sample dilution.

Ämnesområden

Undersökning av vattens fysikaliska egenskaper (13.060.60) Strålningsmätning (17.240)


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Standard Svensk standard · SS-EN ISO 13162:2015

Water quality - Determination of carbon 14 activity - Liquid scintillation counting method (ISO 13162:2011)
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Pris: 1 152 SEK
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Pris: 1 152 SEK
standard ikon

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Pris: 1 843,20 SEK
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Produktinformation

Språk: Engelska

Framtagen av: Kemiska vattenundersökningar, SIS/TK 424

Internationell titel: Water quality - Determination of carbon 14 activity - Liquid scintillation counting method (ISO 13162:2011)

Artikelnummer: STD-8015361

Utgåva: 1

Fastställd: 2015-08-09

Antal sidor: 36

Ersätts av: SS-EN ISO 13162:2021