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ČSN EN ISO 4946 (420515)
Steel and cast iron - Determination of copper - 2,2´- Biquinoline spectrophotometric method
Translate name
STANDARD published on 1.9.2016
The information about the standard:
Designation standards: ČSN EN ISO 4946
Classification mark: 420515
Catalog number: 500171
Publication date standards: 1.9.2016
SKU: NS-650348
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 4946 (420515):
Tato norma uvádí postup spektrofotometrického stanovení mědi v oceli a litině 2,2´-bichinolylem. Postup je vhodný pro stanovení mědi v rozmezí od 0,02 % (m/m) do 5 % (m/m). Princip metody spočívá v redukci mědi (II) na měď (I) kyselinou askorhovou v prostředí kyseliny chlorovodíkové a vytvoření barevné sloučeniny mědi (I) s 2,2´-bichinolylem
Preview of the standard ČSN EN ISO 4946 (420515)
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