CEN/TR 15018 Characterization of waste - Digestion of waste samples using alkali-fusion techniques
EN 13656 Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements*, 2020-10-31 Update
EN 13657 Characterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elements*, 2023-12-21 Update
EN 14346:2006 Characterization of waste - Calculation of dry matter by determination of dry residue or water content*, 2023-12-21 Update
EN 15002:2006 Characterization of waste - Preparation of test portions from the laboratory sample
ISO 11464 Soil quality - Pretreatment of samples for physico-chemical analysis
ISO 11465 Soil quality; determination of dry matter and water content on a mass basis; gravimetric method; technical corrigendum 1
ISO 12677 Chemical analysis of refractory products by X-ray fluorescence (XRF) - Fused cast-bead method
ISO 12980:2000 Carbonaceous materials used in the production of aluminium - Green coke and calcined coke for electrodes - Analysis using an X-ray fluorescence method
ISO 14869-2:2002 Soil quality - Dissolution for the determination of total element content - Part 2: Dissolution by alkaline fusion
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 9516-1:2003 Iron ores - Determination of various elements by X-ray fluorescence spectrometry - Part 1: Comprehensive procedure
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories*, 2017-11-29 Update
BS ISO 18227:2014 history
2014BS ISO 18227:2014 Soil quality. Determination of elemental composition by X-ray fluorescence