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Standards [CURRENT]

DIN 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); German version EN ISO 20541:2008
Edition 2008-12

Draft standard

DIN EN ISO 20553

Radiation protection - Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material (ISO/DIS 20553:2023); German and English version prEN ISO 20553:2023
Edition 2024-01

Standards [CURRENT]

DIN EN ISO 20553

Radiation protection - Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material (ISO 20553:2006); German version EN ISO 20553:2017
Edition 2020-06

Standards [CURRENT]

DIN 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); German version EN ISO 20557-1:2018
Edition 2018-12

Standards [CURRENT]

DIN 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); German version EN ISO 20557-2:2018
Edition 2018-12

Standards [CURRENT]

DIN 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); German version EN ISO 20558-1:2019
Edition 2019-06

Standards [CURRENT]

DIN 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); German version EN ISO 20558-2:2019
Edition 2019-06

Standards [CURRENT]

DIN 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); German version EN ISO 20565-1:2008
Edition 2009-06

Standards [CURRENT]

DIN EN ISO 20565-2

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 20565-2:2008); German version EN ISO 20565-2:2008
Edition 2009-06

Standards [CURRENT]

DIN EN ISO 20565-3

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 3: Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) (ISO 20565-3:2008); German version EN ISO 20565-3:2008
Edition 2009-06

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