This part of ISO 17072 specifies a method for the determination of extractable metals in leather using
extraction with an acid artificial-perspiration solution and subsequent determination with inductively coupled
plasma/optical emission spectrometry (ICP-OES), or inductively coupled plasma/atomic emission
spectrometry (ICP/AES), or inductively coupled plasma/mass spectrometry (ICP/MS), or atomic absorption
spectrometry (AAS) or spectrometry of atomic fluorescence (SFA).
This method is especially suitable for determining the extractable chromium in chromium-tanned leathers.
This method determines extractable metals in leather; it is not compound-specific or specific to the oxidation
state of the metals.
The method is also applicable for the determination of many extractable metals, including:
Aluminium (Al)
Antimony (Sb)
Arsenic (As)
Barium (Ba)
Cadmium (Cd)
Calcium (Ca)
Chromium (Cr)
Cobalt (Co)
Copper (Cu)
Iron (Fe)
Lead (Pb)
Magnesium (Mg)
Manganese (Mn)
Mercury (Hg)
Molybdenum (Mo)
Nickel (Ni)
Potassium (K)
Selenium (Se)
Tin (Sn)
Titanium (Ti)
Zinc (Zn)
Zirconium (Zr)
The quantification limit of extractable lead is 3 mg/kg (see Annex A).
ISO 17072-1:2011 history
2019ISO 17072-1:2019 Leather — Chemical determination of metal content — Part 1: Extractable metals
2011ISO 17072-1:2011 Leather - Chemical determination of metal content - Part 1: Extractable metals