Molecular biomarker analysis - DNA barcoding of crustaceans and products derived from crustaceans using defined mitochondrial 16S rRNA and cytochrome c oxidase I gene segments

Materials for printed boards and other interconnecting structures - Part 2-52: Reinforced base materials clad and unclad - Thermosetting hydrocarbon resin system, woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad (IEC 61249-2-52:2025); German version EN IEC 61249-2-52:2025

Materials for printed boards and other interconnecting structures - Part 2-53: Reinforced base materials clad and unclad - PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad

Materials for printed boards and other interconnecting structures - Part 2-54: Reinforced base materials clad and unclad - Halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined dissipation factor (less than 0,005 at 10 GHz) and flammability (vertical burning test), copper-clad for high speed applications

Materials for printed boards and other interconnecting structures - Part 2-55: Reinforced base materials clad and unclad - Non-halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined dissipation factor (less than 0,005 at 10 GHz) and flammability (vertical burning test), copper-clad for high speed applications

Cleanrooms and associated controlled environments - Part 13: Cleaning of surfaces to achieve defined levels of cleanliness in terms of particle and chemical concentration (ISO/FDIS 14644-13:2025); German and English version prEN ISO 14644-13:2025

Materials for printed boards and other interconnecting structures - Part 3-6: Sectional specification set for unreinforced base materials, clad and unclad-PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad

IEC 61249-4-1 Ed.1: Materials for printed boards and other interconnecting structures - Part 4: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Section 1: Epoxide woven E-glass prepreg of defined flam

IEC 61249-2-27 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-27: Reinforced base materials clad and unclad - Bismaleimide/triazine modified withnon-halogenated epoxide woven glass laminate sheets of defined flammability (vertical burning test), copper-clad

IEC 61249-2-30 Ed.1: Materials for printed boards and other interconnecting structures - Part 2-30: Reinforced base materials clad and unclad - Non-halogenated epoxide modified cyanate ester woven glass laminate of defined flammability (vertical burning test), copper-clad