DIN 38405-9:2011 German standard methods for examination of water, waste water and sludge - Anions (group D) - Part 9: Spectrometric determination of nitrate (D 9)
DIN 38409-15:1987 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of hydrogen peroxide and its adducts (H 15)
DIN 51008-2:2001 Optical Emission Spectrometry (OES) - Part 2: Terms for flame and plasma systems
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN 60601-1-6:2010 Medical electrical equipment - Part 1-6: General requirements for basic safety and essential performance - Collateral standard: Usability (IEC 60601-1-6:2010); German version EN 60601-1-6:2010
DIN EN 60601-2-57:2011 Medical electrical equipment - Part 2-57: Particular requirements for the basic safety and essential performance of non-laser light source equipment intended for therapeutic, diagnostic, monitoring and cosmetic/aesthetic use (IEC 60601-2-57:2011); German
DIN EN ISO 10523:2012 Water quality - Determination of pH (ISO 10523:2008); German version EN ISO 10523:2012
DIN EN ISO 12100:2011 Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010); German version EN ISO 12100:2010
DIN EN ISO 14971 Medical devices - Application of risk management to medical devices (ISO 14971:2019); German version EN ISO 14971:2019 + A11:2021*, 2022-04-01 Update