CEN CENELEC - Page 1060/1255

Norma Técnica EN ISO 20168

Title: Resistance welding - Locking tapers for electrode holders and electrode caps (ISO 20168:2016)
Entity: CEN CENELEC
Subject: Welding consumables
Norma Técnica EN ISO 20170

Title: Geometrical product specifications (GPS) - Decomposition of geometrical characteristics for manufacturing control (ISO 20170:2019)
Entity: CEN CENELEC
Subject:
Norma Técnica EN ISO 20182

Title: Refractory test-piece preparation - Gunning refractory panels by the pneumatic-nozzle mixing type guns (ISO 20182:2008)
Entity: CEN CENELEC
Subject: Refractories
Norma Técnica EN ISO 20184-1

Title: Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 1: Isolated RNA (ISO 20184-1:2018)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20184-2

Title: Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 2: Isolated proteins (ISO 20184-2:2018)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20184-3

Title: Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 3: Isolated DNA (ISO 20184-3:2021)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20186-1

Title: Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for venous whole blood - Part 1: Isolated cellular RNA (ISO 20186-1:2019)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20186-2

Title: Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for venous whole blood - Part 2: Isolated cellular RNA (ISO 20186-2:2019)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20186-3

Title: Molecular in-vitro diagnostic examinations - Specifications for pre-examination processes for venous whole blood - Part 3: Isolated circulating cell free DNA from plasma (ISO 20186-3:2019)
Entity: CEN CENELEC
Subject: In vitro diagnostic test systems
Norma Técnica EN ISO 20200

Title: Plastics - Determination of the degree of disintegration of plastic materials under simulated composting conditions in a laboratory-scale test (ISO 20200:2015)
Entity: CEN CENELEC
Subject: Plastics in general
Norma Técnica EN ISO 20227

Title: Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017)
Entity: CEN CENELEC
Subject: Examination of water for biological properties
Norma Técnica EN ISO 20236

Title: Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
Entity: CEN CENELEC
Subject: Examination of water for chemical substances
Norma Técnica EN ISO 20238

Title: Conveyor belts - Drum friction testing (ISO 20238:2018)
Entity: CEN CENELEC
Subject: Components for conveyors
Norma Técnica EN ISO 20257-1

Title: Installation and equipment for liquefied natural gas - Design of floating LNG installations - Part 1: General requirements (ISO 20257-1:2020)
Entity: CEN CENELEC
Subject: Petroleum, petroleum products and natural gas handling equipment
Norma Técnica EN ISO 20257-2

Title: Installation and equipment for liquefied natural gas - Design of floating LNG installations - Part 2: Specific FSRU issues (ISO 20257-2:2021)
Entity: CEN CENELEC
Subject: Petroleum, petroleum products and natural gas handling equipment
Norma Técnica EN ISO 20266

Title: Paints and varnishes - Determination of image clarity (degree of sharpness of reflected or transmitted image) (ISO 20266:2018)
Entity: CEN CENELEC
Subject: Paints and varnishes
Norma Técnica EN ISO 20270

Title: Acoustics - Characterization of sources of structure-borne sound and vibration - Indirect measurement of blocked forces (ISO 20270:2019)
Entity: CEN CENELEC
Subject: Noise emitted by machines and equipment
Norma Técnica EN ISO 20274

Title: Vitreous and porcelain enamels - Preparation of samples and determination of thermal expansion coefficient (ISO 20274:2017)
Entity: CEN CENELEC
Subject: Enamels
Norma Técnica EN ISO 20312

Title: Petroleum and natural gas industries - Design and operating limits of drill strings with aluminium alloy components (ISO 20312:2011)
Entity: CEN CENELEC
Subject: Exploratory and extraction equipment
Norma Técnica EN ISO 20320

Title: Protective clothing for use in Snowboarding - Wrist Protectors - Requirements and test methods (ISO 20320:2020)
Entity: CEN CENELEC
Subject: Hand and arm protection
Norma Técnica EN ISO 20321

Title: Petroleum, petrochemical and natural gas industries - Safety of machineries - Powered elevators (ISO 20321:2020)
Entity: CEN CENELEC
Subject: Safety of machinery
Norma Técnica EN ISO 20323

Title: Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at ambient temperature in air atmospheric pressure - Determination of tensile properties of tubes (ISO 20323:2018)
Entity: CEN CENELEC
Subject: Advanced ceramics
Norma Técnica EN ISO 20326

Title: Resilient floor coverings - Specification for floor panels/assembly for loose laying (ISO 20326:2016)
Entity: CEN CENELEC
Subject: Non-textile floor coverings
Norma Técnica EN ISO 20337

Title: Fibre-reinforced plastic composites - Shear test method using a shear frame for the determination of the in-plane shear stress/shear strain response and shear modulus (ISO 20337:2018)
Entity: CEN CENELEC
Subject: Reinforced plastics
Norma Técnica EN ISO 20339

Title: Non-destructive testing - Equipment for eddy current examination - Array probe characteristics and verification (ISO 20339:2017)
Entity: CEN CENELEC
Subject: Non-destructive testing

CEN CENELEC - Page 1060/1255

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