ČSN EN 17864 (654955)

Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)

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STANDARD published on 1.8.2024


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The information about the standard:

Designation standards: ČSN EN 17864
Classification mark: 654955
Catalog number: 519672
Publication date standards: 1.8.2024
SKU: NS-1192866
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Fertilizers

Annotation of standard text ČSN EN 17864 (654955):

Tento dokument specifikuje metodu pro stanovení obsahu dusíku ve formě IBDU (isobutylidendimočovina) a CDU (krotonylidendimočovina) s využitím vysokoúčinné kapalinové chromatografie (HPLC).

Metoda je použitelná pro všechna hnojiva, která neobsahují rušivé organické sloučeniny.

Vzorek se extrahuje vodou a po vhodném zředění se analyzuje s pomocí vhodného HPLC systému



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