UNE-EN 14414:2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
   5.1 Exposure tank
   5.2 Lid for sealing the exposure tank
   5.3 Temperature control equipment
   5.4 Sample holder
   5.5 Stirrer
6 Reagents and materials
   6.1 Hydrolysis under acid conditions (method A)
   6.2 Hydrolysis under basic conditions (method B)
   6.3 Solvation and swelling (method C)
   6.4 Synthetic leachate (method D)
7 Sampling
   7.1 Geotextiles and geosynthetic clay barriers
   7.2 Polymeric and bituminous geosynthetic barriers
8 Test procedure
   8.1 General
   8.2 Control specimens
   8.3 Tank preparation
   8.4 Preparation of liquid and placing of samples
   8.5 Sealing the tank
   8.6 Stirring the solution
   8.7 Immersion temperatures
   8.8 Test duration
   8.9 Removal of specimens and conditioning
9 Evaluation
   9.1 Geotextiles and geosynthetic clay barriers
   9.2 Polymeric and bituminous geosynthetic barriers
10 Test report
Bibliography

This European Standard describes a test method to determine the chemical resistance of geosynthetics to liquid municipal, agricultural and industrial wastes, using a laboratory immersion procedure.