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BS EN ISO 54321:2021

BS EN ISO 54321:2021

$189.07

Soil, treated biowaste, sludge and waste. Digestion of aqua regia soluble fractions of elements

Published By Publication Date Number of Pages
BSI 2021 48
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This document specifies two methods for digestion of soil, treated biowaste, sludge and waste by the use of an aqua regia digestion.

Digestion with aqua regia will not necessarily accomplish total decomposition of the sample. The extracted analyte concentrations may not necessarily reflect the total content in the sample but represent the aqua regia soluble metals under the condition of this test procedure. It is generally agreed that for environmental analysis purposes, the results are fit for the intended purpose to protect the environment.

This document is applicable for the following elements:

Aluminium (Al), antimony (Sb), arsenic (As), barium (Ba), beryllium (Be), boron (B), cadmium (Cd), calcium (Ca), chromium (Cr), cobalt (Co), copper (Cu), iron (Fe), lead (Pb), magnesium (Mg), manganese (Mn), mercury (Hg), molybdenum (Mo), nickel (Ni), phosphorus (P), potassium (K), selenium (Se), silver (Ag), sodium (Na), strontium (Sr), sulfur (S), tellurium (Te), thallium (Tl), tin (Sn), titanium (Ti), vanadium (V), and zinc (Zn).

This document can also be applied for the digestion of other elements, provided the user has verified the applicability.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 Interferences and sources of errors
11 6 Reagents
7 Apparatus
7.1 General
7.2 Method A — Apparatus for thermal heating under atmospheric conditions
7.2.1 Method A1 — Thermal heating under reflux conditions
12 7.2.2 Method A2 — Thermal heating with a heating block with containers
7.3 Method B — Microwave digestion with temperature control, closed vessels
13 8 Procedure
8.1 General
8.2 Blank test
8.3 Method A — thermal heating under atmospheric conditions
8.3.1 Method A1 — Thermal heating under reflux conditions
14 8.3.2 Method A2 — Thermal heating with a heating block with containers
15 8.4 Method B — Microwave digestion with temperature control, closed vessels
9 Test report
17 Annex A (informative) Repeatability and reproducibility data for soil, biowaste and sludge samples
18 Annex B (informative) Repeatability and reproducibility data for waste samples
45 Bibliography

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BS EN ISO 54321:2021
$189.07