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SN EN ISO 20535
Footwear - Test method for insoles and insocks - Dimensional change after cycle of wetting and drying (ISO 20535:2019)
Edition
2022-08
SN EN ISO 20536
Footwear - Critical substances potentially present in footwear and footwear components - Determination of phenol in footwear materials (ISO 20536:2017)
Edition
2018-04
SN EN ISO 20537
Footwear - Identification of defects during visual inspection - Vocabulary (ISO 20537:2025)
Edition
2025-02
SN EN ISO 20541
Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008)
Edition
2008-12
SN EN ISO 20553
Radiation protection - Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material (ISO 20553:2025)
Edition
2025-02
SN EN ISO 20557-1
Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 20557-1:2018)
Edition
2019-01
SN EN ISO 20557-2
Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Part 2: Preparation of test specimen and determination of properties (ISO 20557-2:2018)
Edition
2019-01
SN EN ISO 20558-1
Plastics - Poly(phenylene sulfide) (PPS) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 20558-1:2018)
Edition
2019-11
SN EN ISO 20558-2
Plastics - Poly(phenylene sulfide) (PPS) moulding and extrusion materials - Part 2: Preparation of test specimen and determination of properties (ISO 20558-2:2018)
Edition
2019-11
SN EN ISO 20565-1
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica (ISO 20565-1:2008)
Edition
2010-11
