Norm

NEN-EN-ISO 13129:2013 en

Verven en vernissen - Elektrochemische meting van de bescherming van verfdeklagen op staal - Stroomonderbrekingstechniek (CI), relaxatie voltametrie (RV) of gelijkstroom transient meting

79,70

Over deze norm

Status Definitief
Aantal pagina's 16
Commissie Verfwaren
Gepubliceerd op 01-01-2013
Taal Engels
This International Standard specifies the procedure for evaluation of the experimental set-up of electrochemical measurements on high-impedance coated samples using methods that are based on the current interrupter (CI) technique, relaxation voltammetry (RV) or DC transient (DCT) measurements. It provides specific definitions and guidance on optimizing the collection of CI, RV and DCT data from highimpedance systems. High impedance in the context of intact coatings refers to systems with an impedance greater than 109 O/cm2. This does not preclude measurements on systems with lower impedance. This International Standard deals in particular with: - instrumental set-up: requirements and shortcomings; - data validation: checking the measurement range and the accuracy of the data; - performing CI, RV, DCT measurements: specimen considerations and instrumental parameters; - the experimental results: different methods of presenting CI, RV and DCT data. Following the recommendations should ensure the acquisition of CI, RV and DCT data that can be used to study the performance of the specimen. This International Standard does not give guidelines for the interpretation of the data.

Details

ICS-code 87.040
Nederlandse titel Verven en vernissen - Elektrochemische meting van de bescherming van verfdeklagen op staal - Stroomonderbrekingstechniek (CI), relaxatie voltametrie (RV) of gelijkstroom transient meting
Engelse titel Paints and varnishes - Electrochemical measurement of the protection provided to steel by paint coatings - Current interrupter (CI) technique, relaxation voltammetry (RV) technique and DC transient (DCT) measurements
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