NEN-ISO 5663
Eigenschappen
| Label (nl) | NEN-ISO 5663 |
|---|---|
| Definitie (nl) | NEN-ISO 5663:1993 en - Water - Bepaling van het gehalte aan Kjeldahl-stikstof - Methode na mineralisatie met seleen |
| Toelichting (nl) | This standard specifies a method for the determination of nitrogen by a Kjeldahl-type method. Only trivalent negative nitrogen is determined. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime or semicarbazone is not determined quantitatively. Nitrogen may be incompletely recovered from heterocyclic nitrogen compounds. |
| Exacte overeenkomst | https://www.nen.nl/nen-iso-5663-1993-en-13507 |
| Status | vastgesteld |
Relaties
| Vertrekpunt | Relatie | Eindpunten |
|---|---|---|
| Id-ad7eb5f8-f032-c26c-a169-b10ca9739262 | Is bron voor |
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| Id-ad7eb5f8-f032-c26c-a169-b10ca9739262 | Vastgesteld in |
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