EN 50164-7:2008

1 Scope
2 Normative references
3 Definitions
4 Requirements
  4.1 Documentation
  4.2 Material
  4.3 Marking
5 Tests
  5.1 General
  5.2 pH measurement
  5.3 Solubility in acidic environment
  5.4 Sulphur determination
  5.5 Determination of conductivity
  5.6 Determination of efficiency of improvement of contact
      surface area of the electrode
  5.7 Marking and indications
6 Structure and content of the test report
  6.1 Report identification
  6.2 Specimen description
  6.3 Standards and references
  6.4 Test procedure
  6.5 Testing equipment, description
  6.6 Measuring Instruments description
  6.7 Results and parameters recorded

This European Standard specifies the requirements and tests for – earthing enhancing compounds increasing the contact surface area of the earth electrode. NOTE Refill products are not within the scope of this European Standard.