BS EN ISO 17072-2:2019
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Leather. Chemical determination of metal content Total metal content
Hardcopy , PDF
11-21-2022
English
04-17-2019
This document specifies a method for the determination of the total metal content in leather using digestion of the leather and subsequent determination with inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), atomic absorption spectrometry (AAS) or spectrometry of atomic fluorescence (SFA).
This method determines the total metal content in leather; it is not compound-specific or specific to the oxidation state of the metals.
The method is applicable for determining the following metals:
| Aluminium (Al) | Copper (Cu) | Potassium (K) |
| Antimony (Sb) | Iron (Fe) | Selenium (Se) |
| Arsenic (As) | Lead (Pb) | Silicon (Si) |
| Barium (Ba) | Magnesium (Mg) | Sodium (Na) |
| Cadmium (Cd) | Manganese (Mn) | Tin (Sn) |
| Calcium (Ca) | Mercury (Hg) | Titanium (Ti) |
| Chromium (Cr) (except chromium-tanned leathers) | Molybdenum (Mo) | Zinc (Zn) |
| Cobalt (Co) | Nickel (Ni) | Zirconium (Zr) |
This method is also suitable for determining Boron (B) in leather.
In the case of chromium-tanned leathers, it is often more relevant to use ISO5398‑1[1], ISO5398‑2[2], ISO5398‑3[3] or ISO5398‑4 [4].
Interlaboratory test results and the quantification limits possible with ICP-OES are given in TableA.1 and TableA.2 of AnnexA.
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