NEN EN ISO 24234 : 2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Chemical composition of the alloy
  4.3 Biocompatibility
  4.4 Foreign material and large particles in the alloy powder
  4.5 Contamination of the mercury by oil, water and foreign
       material
  4.6 Purity of mercury - Free pouring
  4.7 Variability of preproportioned masses
  4.8 Properties of the amalgam
  4.9 Appearance of the mixed amalgam before setting
5 Sampling
6 Test methods
  6.1 Chemical composition of the alloy
  6.2 Foreign material and large particles in the alloy powder
  6.3 Contamination of the mercury by oil, water or foreign
       material
  6.4 Free-pouring of mercury
  6.5 Determination of the variability of preproportioned masses
  6.6 Preparation of test specimens to determine compliance with
       the requirements for creep, dimensional change and
       compressive strength
  6.7 Determination of creep
  6.8 Determination of dimensional change during hardening
  6.9 Determination of compressive strength
  6.10 Appearance of the mixed amalgam before setting
7 Marking, labelling and packaging
  7.1 Packaging
  7.2 Marking
  7.3 Manufacturer's instructions
Annex A (normative) Determination of immersion corrosion for
                    dental amalgam
Annex B (normative) Potentiostatic determination of corrosion
                    for dental amalgam
Bibliography

Defines the requirements and test methods for dental amalgam alloys that are suitable for the preparation of dental amalgam, together with the requirements and test methods for that dental amalgam and the requirements for packaging and marking (including those for dental mercury).