Accredited Calibration and Test Methods



Calibration Methods

Annext to certificate D-K-20613-01-00 according to DIN EN ISO/IEC 17025:2018 Calibration methods with scope according to Cat. III






Revision and issue date


Reference to Standard

Medical reference measurement laboratories:


  • Determination of Erythrocyte Concentration in Controlled Blood


Rev. 1 from 07.01.2019


DIN 58932-3:2017-01


  • Determination of Leukocyte Concentration in Controlled Blood


Rev. 2 from 02.07.2020


DIN 58932-4:2003-07







Quantity of substance concentration


  • Determination of Hemoglobin Concentration in Controlled Blood


Rev. 11 from 17.01.2023


DIN 58931:2021-09


All standardized test methods with a flexible accreditation scope of category III:
Application of standards and test methods similar to standards with different editions

List last updated 17.07.2024

Test Methods

Annex to the accreditation certificate D-PL-20613-01-00

All standardized test methods have a flexible accreditation scope of category III
(application of standards with different editions)


Scope   Method   In-house Procedure   Standard Test Method


  • Size
  • Density
  • Concentration





  • Determination of particle size distribution by centrifugal sedimentation methods in liquids - Part 2: Photocentrifugal sedimentation method




ISO 13318-2:2007-09


  • Determination of particle size distribution by the gravity sedimentation method in liquids - Part 1: General principles and guidelines




ISO 13317-1:2001-05


  • Determination of particle density by sedimentation methods - Part 1: Isopycnic interpolation approach




ISO 18747-1:2018-03


  • Determination of particle density with sedimentation methods - Part 2: Multi-velocity approach




ISO 18747-2:2019-06

  • Number-based size distribution and concentration of cells and submicroscale particles (optical flow cytometry)



Rev. 1 from 11.2021




  • Stability
  • Demixing
  • Dispersbility





  • Real-time and accelerated determination of the stability of suspensions and emulsions: Optical measuring principle "STEP - Technology"



Rev. 3 from 10.2021




  • Sediment height determination in the gravitational and centrifugal field using optical detection and X-ray detection (STEP technology)



Rev. 6 from 03.2023




  • Quantification of the stability of concentrated dispersions - X-ray measuring principle (STEP - technology)



Rev. 2 from 09.2023




  • Determination of Hansen solubility/dispersibility parameters for nanoparticles and microparticles dispersed in liquids based on relative sedimentation time using optical detection.



Rev. 1 from 11.2021



strength testing



  • Determination of the bond strength of bonded joints and composite materials (CAT technology)



Rev. 5 from 12.2021




  • Metallic and other inorganic coatings - Method for quantitative measurement of adhesion strength by the tensile test




DIN EN 13144:2019-02


List last updated 17.07.2024