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EVS-EN ISO 16720:2007

Mulla kvaliteet. Proovide eeltöötlemine neid enne analüüsimist külmkuivatades

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Kehtiv alates 06.06.2007
Alusdokumendid
ISO 16720:2005; EN ISO 16720:2007
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
06.06.2007
Põhitekst
This International Standard specifies a method for pretreatment of soil samples by freeze-drying for subsequent analysis. This International Standard is applicable to soil samples for subsequent determination of elements or organic compounds recognized as non-volatile under freeze-drying conditions. Generally, this International Standard can also be applied to samples from sludges and sediments. This method is also applicable as a first step for the determination of dry matter (or water) content, for instance in the case of samples with high water content.

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EVS-EN ISO 12966-3:2016

Animal and vegetable fats and oils - Gas chromatography of fatty acid methyl esters - Part 3: Preparation of methyl esters using trimethylsulfonium hydroxide (TMSH) (ISO 12966-3:2016)
Uusim versioon Kehtiv alates 05.07.2016