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Testing methods for surfactans and detergents. Surface active agents. Analysis of soaps. Determination of free caustic alkali
STANDARD published on 1.11.1994
Designation standards: ČSN 681148
Classification mark: 681148
Catalog number: 16924
Publication date standards: 1.11.1994
SKU: NS-133304
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Norma obsahuje dvě metody stanovení volných žíravých alkálií v mýdlech mimo směsných produktů: metoda A - ethanolová, metoda B - baryum - chloridová. Postupy při provádění normalizovaných zkoušek jsou podrobně popsány. ČSN 68 1148 byla vydána v listopadu 1994. Nahradila čl. 37 a 38 ČSN 68 1101 z 9.10.1974
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