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ISO 12830:2011

Paper, board and pulps -- Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium

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Kehtetu alates 23.07.2019
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
23.07.2019
Põhitekst
15.11.2011
Põhitekst
Põhitekst
ISO 777:2005
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ISO 778:2005
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ISO 779:2005
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ISO 1830:2005
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ISO 9668:1990
ISO 12830:2011 specifies the procedure for the determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium by atomic absorption spectrometry or by plasma emission spectrometry. The acid-soluble element comprises the acid-soluble part of the incineration residue, i.e. that part of the ignition residue obtained after incineration which is soluble in hydrochloric acid. In the case where the residue is completely soluble, the result obtained by the procedure specified in this International Standard is a measure of the total amount of each element in the sample.
ISO 12830:2011 is applicable to all types of paper, board and pulps.
The limit of determination depends on the element and on the instrument used.

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