1. Anleitung zur Bestimmung des Chloridgehaltes von Beton; Schnellbestimmung des Chloridgehaltes von Beton; Bestimmung des Chloridgehaltes von Beton durch Dirktpotentiometrie;Heft 401, DAfStb,1989
2. Products and Systems for the Protection and Repair of Concrete Structures - Test Methods - Determinatition of Carbonation Depth in Hardened Concrete by the Phenolphthalein Method;DIN EN 14630,2007
3. Concrete - Specification, Performance, Production and Conformity;DIN EN 206,2014
4. Products and Systems for the Protection and Repair of Concrte Structures - Test Methods - Determination of Chloride Content in Hardened Concrete;DIN EN 14629,2007
5. Round-Robin test on chloride analysis in concrete - part I: analysis of total chloride content;Castellote;Mater. Struct.,2001