Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution (ISO 23470:2018)
Edition 2019-04

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018)
Edition 2019-07

Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution (ISO 11260:2018)
Edition 2018-11

Connectors for electronic equipment - Tests and measurements. Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
Edition 2005-03

Pneumatic fluid power - Determination of flow-rate characteristics of components using compressible fluids - Part 1: general rules and test methods for steady-state flow - Amendment 1 : effective conductance
Edition 2020-09-26

Measurement of quartz crystal unit parameters - Part 11: standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
Edition 2011-03-01

Belt drives - Grooved pulleys for joined classical V-belts - Groove sections AJ, BJ, CJ and DJ (effective system)
Edition 2011-12

Belt drives - Grooved pulleys for narrow V-belts - Groove sections 9N/J, 15N/J and 25N/J (effective system)
Edition 2001-09

Belt drives - Narrow V-belts - Sections 9N/J, 15N/J and 25N/J (lengths in the effective system)
Edition 2003-02