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Hakutulokset

Hakutulokset

Haulla "684" löytyi 159 tulosta.

SFS-EN ISO 6845:en – Surface active agents. Technical alkane sulfonates. Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content (ISO 6845:1989)

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A test portion is dissolved in ethanol and the solution is acidified. The alkane monosulfonic acids are separated from the alkane disulfonates and sulfate ions by extraction with light petroleum. The light petroleum phase is evaporated and the residue is solved in ethanol. Traces of alkali are re ...
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