Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
Edition 1997-12

Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003); German version EN 61290-3-1:2003
Edition 2004-05

Testing of petroleum products - Determination of silicone content - Part 4: Direct determination by optical emission spectral analysis with inductively coupled plasma (ICP OES)
Edition 2000-11

Measurement of fiber optic elements - Part 2: Determination of spectral transmittance of light guides
Edition 2024-02

Steel and iron  - Determination of titanium content - Diantipyrylmethane spectrophotometric method (ISO 10280:1991); German version EN ISO 10280:1995
Edition 1996-02

Foodstuffs - Determination of acesulfame K in table top sweetener preparations - Spectrometric method; German version EN 1377:1996
Edition 1996-10

Fruit and vegetable juices - Enzymatic determination of sucrose content - NADP spectrometric method; German version EN 12146:1996
Edition 1996-10

Determination of the total phosphorus content of cheese and processed cheese; spectrometric method
Edition 1990-12

Optical fibre amplifiers - Basic specification - Part 5-3: Test methods for reflectance parameters; Reflectance tolerance using an electrical spectrum analyser (IEC 61290-5-3:2002); German version EN 61290-5-3:2002
Edition 2002-11

Aerospace series - Spectral quality of LED luminaires used with photoluminescent marking systems; German and English version EN 4731:2018
Edition 2018-07