CEN CENELEC - Page 1122/1255

• Norma Técnica EN ISO 4869-2

  Title: Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018)
  Entity: CEN CENELEC
  Subject: Head protective equipment

• Norma Técnica EN ISO 4869-3

  Title: Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)
  Entity: CEN CENELEC
  Subject: Head protective equipment

• Norma Técnica EN ISO 4869-4

  Title: Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998)
  Entity: CEN CENELEC
  Subject: Head protective equipment

• Norma Técnica EN ISO 4871

  Title: Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996)
  Entity: CEN CENELEC
  Subject: Noise emitted by machines and equipment

• Norma Técnica EN ISO 4884

  Title: Hardmetals - Sampling and testing of powders using sintered test pieces (ISO 4884:2019)
  Entity: CEN CENELEC
  Subject: Powder metallurgy

• Norma Técnica EN ISO 4885

  Title: Ferrous materials - Heat treatments - Vocabulary (ISO 4885:2018)
  Entity: CEN CENELEC
  Subject: Manufacturing engineering (Vocabularies)

• Norma Técnica EN ISO 489

  Title: Plastics - Determination of refractive index (ISO 489:2022)
  Entity: CEN CENELEC
  Subject: Plastics in general

• Norma Técnica EN ISO 4892-1

  Title: Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance (ISO 4892-1:2016)
  Entity: CEN CENELEC
  Subject: Plastics in general

• Norma Técnica EN ISO 4892-2

  Title: Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps (ISO 4892-2:2013)
  Entity: CEN CENELEC
  Subject: Plastics in general

• Norma Técnica EN ISO 4892-3

  Title: Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3:2016)
  Entity: CEN CENELEC
  Subject: Plastics in general

• Norma Técnica EN ISO 4894-1

  Title: Plastics - Styrene/acrylonitrile (SAN) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 4894-1:1997)
  Entity: CEN CENELEC
  Subject: Thermoplastic materials

• Norma Técnica EN ISO 4894-2

  Title: Plastics - Styrene/acrylonitrile (SAN) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 4894-2:1995)
  Entity: CEN CENELEC
  Subject: Thermoplastic materials

• Norma Técnica EN ISO 4895

  Title: Plastics - Liquid epoxy resins - Determination of tendency to crystallize (ISO 4895:2014)
  Entity: CEN CENELEC
  Subject: Thermosetting materials

• Norma Técnica EN ISO 4918

  Title: Resilient,textile and laminate floor coverings - Castor chair test (ISO 4918:2016)
  Entity: CEN CENELEC
  Subject: Non-textile floor coverings

• Norma Técnica EN ISO 4920

  Title: Textile fabrics - Determination of resistance to surface wetting (spray test) (ISO 4920:2012)
  Entity: CEN CENELEC
  Subject: Textile fabrics

• Norma Técnica EN ISO 4921

  Title: Knitting - Basic concepts - Vocabulary (ISO 4921:2000)
  Entity: CEN CENELEC
  Subject: Textile and leather technology (Vocabularies)

• Norma Técnica EN ISO 4934

  Title: Steel and iron - Determination of sulfur content - Gravimetric method (ISO 4934:2003)
  Entity: CEN CENELEC
  Subject: Chemical analysis of metals

• Norma Técnica EN ISO 4938

  Title: Steel and iron - Determination of nickel content - Gravimetric or titrimetric method (ISO 4938:2016)
  Entity: CEN CENELEC
  Subject: Chemical analysis of metals

• Norma Técnica EN ISO 4943

  Title: Steel and cast iron - Determination of copper content - Flame atomic absorption spectrometric method (ISO 4943:2022)
  Entity: CEN CENELEC
  Subject: Ferrous metals in general

• Norma Técnica EN ISO 4945

  Title: Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
  Entity: CEN CENELEC
  Subject: Steels

• Norma Técnica EN ISO 4946

  Title: Steel and cast iron - Determination of copper - 2,2'-Biquinoline spectrophotometric method (ISO 4946:2016)
  Entity: CEN CENELEC
  Subject: Ferrous metals in general

• Norma Técnica EN ISO 4947

  Title: Steel and cast iron - Determination of vanadium content - Potentiometric titration method (ISO 4947:2020)
  Entity: CEN CENELEC
  Subject: Ferrous metals in general

• Norma Técnica EN ISO 4957

  Title: Tool steels (ISO 4957:2018)
  Entity: CEN CENELEC
  Subject: Tool steels

• Norma Técnica EN ISO 50001

  Title: Energy management systems - Requirements with guidance for use (ISO 50001:2018)
  Entity: CEN CENELEC
  Subject: Energy and heat transfer engineering in general

• Norma Técnica EN ISO 50005

  Title: Energy management systems - Guidelines for a phased implementation (ISO 50005:2021)
  Entity: CEN CENELEC
  Subject:

• 1117
• 1118
• 1119
• 1120
• 1121
• 1122
• 1123
• 1124
• 1125
• 1126
• 1127

---

SEARCH

Standard/Regulation code

Search