ISO-54321 › Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements
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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.
To find similar documents by classification:
13.030.20 (Liquid wastes. Sludge Sewage water disposal and treatment, see 13.060.30)
13.080.10 (Chemical characteristics of soils)
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Document Number
ISO 54321:2020
Revision Level
1ST EDITION
Status
Current
Publication Date
Aug. 1, 2020
Committee Number
ISO/TC 190/SC 3