BS EN 16166:2021 – TC:2022 Edition

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Tracked Changes. Soil, treated biowaste and sludge. Determination of adsorbed organically bound halogens (AOX)

Published By	Publication Date	Number of Pages
BSI	2022	46

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Categories: 13.080.10 - Chemical characteristics of soils, BSI

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This document specifies an operationally defined method for the direct determination of organically bound halogens (chlorine, bromine and iodine) adsorbed and occluded to the sample matrix. AOX being a methodologically defined parameter, it is essential that the procedure is applied without any modification. This document is intended for analysis of sludge, treated biowaste or soil in concentrations ranging from 5 mg/kg dry matter. The upper limit and exact concentration range covered depend on the instrumentation used for determination. NOTE This method can also be applied to other environmental solid matrices, provided the user has verified the applicability.

PDF Catalog

PDF Pages	PDF Title
1	30452781
27	A-30416154
28	undefined
33	1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Interferences
34	6 Reagents
35	7 Apparatus 7.1 Apparatus for combustion and detection 7.2 Equipment for adsorption 7.3 Equipment for sample preparation
36	8 Sample storage and pretreatment 8.1 Sampling and storage 8.2 Sample pretreatment 9 Procedure 9.1 General 9.2 Adsorption and inorganic halide removal
37	9.3 Combustion 9.4 Chlorine determination, preliminary tests and daily checks 9.4.1 General 9.4.2 Checks on the overall procedure 9.4.2.1 Initial check
38	9.4.2.2 Daily check 9.5 Blank determination
39	10 Calculation 10.1 Mass concentration of adsorbed organically bound halogens [ρCl(AOX)] in dried sample 10.2 Expression of results 11 Precision
40	12 Test report
41	Annex A (informative)Repeatability and reproducibility data A.1 Materials used in the interlaboratory comparison study
42	A.2 Interlaboratory comparison results
43	Annex B (informative)Storage of activated carbon