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ČSN 681155 (681155)
Testing methods for surfactans and detergents. Determination of total phosphorus oxide content
STANDARD published on 1.11.1994
The information about the standard:
Designation standards: ČSN 681155
Classification mark: 681155
Catalog number: 16930
Publication date standards: 1.11.1994
SKU: NS-133310
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN 681155 (681155):
Metoda je určena pro stanovení celkového obsahu oxidu fosforečného v detergentech. Předmětem normy je popis dvou metod, a to: Metoda A, kde se P2O5 stanoví jako fosfomolybdenan amonný. Metoda B, kde se P2O5 stanoví jako fosfomolybdenan chinolinu. Postup při provádění normalizovaných zkoušek je podrobně popsán. ČSN 68 1155 byla vydána v listopadu 1994
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