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ČSN EN ISO 8502-11 (038222)
Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 11: Field method for the turbidimetric determination of water-soluble sulfate
STANDARD published on 1.12.2006
The information about the standard:
Designation standards: ČSN EN ISO 8502-11
Classification mark: 038222
Catalog number: 77375
Publication date standards: 1.12.2006
SKU: NS-169713
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 8502-11 (038222):
vodě rozpustné sírany jsou odstraněny vodou z ocelového povrchu Breslovou metodou (viz ISO 8502-6). Pro vytvoření koloidního roztoku Ba SO4 se do roztoku s extrahovanými sírany přidá srážecí činidlo, Ba(NO3)2 nebo BaCl2, a flokulační činidlo. Spektrální absorbance disperze závisí na obsahu síranů a používá se pro stanovení hmotnostní koncentrace extrahovaných rozpustných síranů.
Preview of the standard ČSN EN ISO 8502-11 (038222)
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