59.140.30 - Leather and furs

This document specifies a method of determining the dimensional change (shrinkage) of leathers caused by ageing. It is applicable to all leathers.

This document specifies a method for the determination of free formaldehyde, which is released under dynamic conditions when the sample is heated in an inert dry atmosphere, in process auxiliaries for leather. The analytical result obtained according to this procedure is expressed in milligrams per kilogram (mg/kg) sample.

This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on high-performance liquid chromatography (HPLC), is selective and not sensitive to coloured extracts and is intended to be used for precise quantification of formaldehyde. The formaldehyde content is taken to be the quantity of free formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions of use.

This document provides guidance and requirements for packing wet blue leather intended for transport and storage. This document is applicable to wet blue leather made out of goat skin, sheep skin, cow hide and buffalo hide.

This document specifies a method for determining the use of certain azo colourants which can release
certain aromatic amines.

This document specifies a test method by acetonitrile solvent extraction for the determination
of the total content (solvent extractible) of the following preservative agents in leather by liquid
chromatography:
— 2-(thiocyanomethylthio)-benzothiazole (TCMTB);
— 4-chloro-3-methylphenol (PCMC);
— 2-phenylphenol (OPP);
— 2-octylisothiazol-3(2H)-one (OIT);
This method can also be used to determine breakdown products of these preservative agents, which
protect leather from microbiological at...view more

This document specifies a test method by artificial perspiration solution aqueous extraction for the
determination of the aqueous extractable content of the following preservative agents in leather by
liquid chromatography:
— 2-(thiocyanomethylthio)-benzothiazole (TCMTB);
— 4-chloro-3-methylphenol (PCMC);
— 2-phenylphenol (OPP);
— 2-octylisothiazol-3(2H)-one (OIT);
This method can also be used to determine breakdown products of these preservative agents, which
protect leather from microb...view more

This document specifies a method for determining the use of certain azo colourants which can release certain aromatic amines.

This document specifies a test method to determine the degree and rate of aerobic biodegradation
of hides and skins of different animal origin, whether they are tanned or not, through the indirect
determination of CO2 produced by the degradation of collagen.
The test material is exposed to an inoculum (activated sludge from tannery wastewater) in an aqueous
medium. If there is not a tannery nearby then urban wastewater can be used as the inoculum.
The conditions established in this document...view more

This document specifies a test method by artificial perspiration solution aqueous extraction for the determination of the aqueous extractable content of the following preservative agents in leather by liquid chromatography: — 2-(thiocyanomethylthio)-benzothiazole (TCMTB); — 4-chloro-3-methylphenol (PCMC); — 2-phenylphenol (OPP); — 2-octylisothiazol-3(2H)-one (OIT); This method can also be used to determine breakdown products of these preservative agents, which protect leather from microbiologica...view more

This document specifies a test method by acetonitrile solvent extraction for the determination of the total content (solvent extractible) of the following preservative agents in leather by liquid chromatography: — 2-(thiocyanomethylthio)-benzothiazole (TCMTB); — 4-chloro-3-methylphenol (PCMC); — 2-phenylphenol (OPP); — 2-octylisothiazol-3(2H)-one (OIT); This method can also be used to determine breakdown products of these preservative agents, which protect leather from microbiological attack.

This document specifies a test method to determine the degree and rate of aerobic biodegradation of hides and skins of different animal origin, whether they are tanned or not, through the indirect determination of CO2 produced by the degradation of collagen. The test material is exposed to an inoculum (activated sludge from tannery wastewater) in an aqueous medium. If there is not a tannery nearby then urban wastewater can be used as the inoculum. The conditions established in this document corr...view more

This document specifies a method for determining the tensile strength, elongation at a specified load
and elongation at maximum force of leather. It is applicable to all types of leather.

EN-ISO 14080 specifies a test method for the determination of tanning agents through filtration of all vegetable and synthetic tanning products

EN-ISO 17131 specifies a method using microscopy to identify leather and distinguish it from other materials. The method is not applicable for identifying specific leathers (e.g. sheep leather).

This document specifies a method for determining the tensile strength, elongation at a specified load and elongation at maximum force of leather. It is applicable to all types of leather.

This document specifies a method using microscopy to identify leather and distinguish it from other materials. The method is not applicable for identifying specific leathers (e.g. sheep leather).

This document specifies a test method for the determination of tanning agents through filtration of all vegetable and synthetic tanning products.

This document specifies a method using microscopy to identify leather and distinguish it from other materials. The method is not applicable for identifying specific leathers (e.g. sheep leather).

This document specifies a test method for the determination of tanning agents through filtration of all vegetable and synthetic tanning products.

This document specifies a method of determining the abrasion resistance of leather using a Taber® apparatus

This document specifies a method of determining the abrasion resistance of leather using a Taber® apparatus.

This document specifies a method of determining the abrasion resistance of leather using a Taber® apparatus.

This document provides guidance and requirements for packing wet blue leather intended for transport and storage. This document is applicable to wet blue leather made out of goat skin, sheep skin, cow hide and buff hide.

This document specifies a method for determining the stitch tear resistance of leather. It can be used on
all leathers but is particularly suitable for leathers over 1,2 mm in thickness.

This document specifies a method for determining alkylphenols (nonylphenol and octylphenol)
and alkylphenol ethoxylates (nonylphenol ethoxylate and octylphenol ethoxylate) in leather and
process auxiliaries. The analysis is based on high-performance liquid chromatography (HPLC) or gas
chromatography-mass spectrometry (GC-MS).
The analysis of the alkylphenol ethoxylate is made by cleaving the alkylphenol ethoxylate and
measuring the released alkylphenol.
NOTE ISO 18218-1 and this document u...view more

This document specifies a method for determining alkylphenols (nonylphenol and octylphenol) and alkylphenol ethoxylates (nonylphenol ethoxylate and octylphenol ethoxylate) in leather and process auxiliaries. The analysis is based on high-performance liquid chromatography (HPLC) or gas chromatography-mass spectrometry (GC-MS).
The analysis of the alkylphenol ethoxylate is made by cleaving the alkylphenol ethoxylate and measuring the released alkylphenol.
NOTE ISO 18218-1 and this document use d...view more

This document specifies a method for determining the stitch tear resistance of leather. It can be used on all leathers but is particularly suitable for leathers over 1,2 mm in thickness.

This document specifies a method for determining alkylphenols (nonylphenol and octylphenol) and alkylphenol ethoxylates (nonylphenol ethoxylate and octylphenol ethoxylate) in leather and process auxiliaries. The analysis is based on high-performance liquid chromatography (HPLC) or gas chromatography-mass spectrometry (GC-MS). The analysis of the alkylphenol ethoxylate is made by cleaving the alkylphenol ethoxylate and measuring the released alkylphenol. NOTE ISO 18218-1 and this document use dif...view more

This document specifies a method for determining the stitch tear resistance of leather. It can be used on all leathers but is particularly suitable for leathers over 1,2 mm in thickness.

This document is a reference document to support  the correct measurement of the colour of  finished  leather  by  instrumental  means.  The  document  describes  general  concepts of colour measurement adapted to leather and the calculation of differences in colour. This document defines the following:
a) the use of D65 as the standard light source for the leather industry.
b) the use of D65 light source 10º as standard conditions for colour matching, for the definition of daylight simulator...view more

This document specifies a method for determining the resistance of all forms of leather to visible soiling
through repeated contact with soiled objects. It provides a physical pretreatment routine for leathers
that may be vulnerable to loss of soiling resistance while in service, prior to conducting further tests
such as cleaning.

This document specifies a quantitative test method to determine 24 kinds of pesticide residues in leather by gas chromatography-mass spectrometry (GC-MS). This document is applicable to all types of leather that could release pesticides.

This document specifies requirements, methods of test and methods of sampling for full chrome upper leather. This document is applicable to upper leather which is used in general purpose sports footwear, school footwear, casual footwear, men's town footwear, women's town footwear, cold weather footwear, fashion footwear, infants' footwear and indoor footwear.

This document specifies a method for determining the resistance of all forms of leather to visible soiling through repeated contact with soiled objects. It provides a physical pretreatment routine for leathers that may be vulnerable to loss of soiling resistance while in service, prior to conducting further tests such as cleaning.

This document specifies a method for the correct measurement of the colour of finished leather by instrumental means. The document describes general concepts of colour measurement adapted to leather and the calculation of differences in colour.
This document defines the following:
a) the use of D65 as the standard light source for the leather industry;
b) the use of D65 light source 10° as standard conditions for colour matching, for the definition of daylight simulators and as the reference ...view more

This document 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), inductively coupled plasma mass spectrometry (ICPMS),
atomic absorption spectrometry (AAS) or spectrometry of atomic fluorescence (SFA).
This method determines extractable metals in leather; it is not compound-specific or specific to the
oxid...view more

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 me...view more

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...view more

This document 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), inductively coupled plasma mass spectrometry (ICP-MS), atomic absorption spectrometry (AAS) or spectrometry of atomic fluorescence (SFA).
This method determines extractable metals in leather; it is not compound-specific or specific to the oxidati...view more

This document specifies a method for determining the resistance of all forms of leather to visible soiling through repeated contact with soiled objects. It provides a physical pretreatment routine for leathers that may be vulnerable to loss of soiling resistance while in service, prior to conducting further tests such as cleaning.

This document specifies a method for the correct measurement of the colour of finished leather by instrumental means. The document describes general concepts of colour measurement adapted to leather and the calculation of differences in colour. This document defines the following: a) the use of D65 as the standard light source for the leather industry; b) the use of D65 light source 10° as standard conditions for colour matching, for the definition of daylight simulators and as the reference lig...view more

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.

This document 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), inductively coupled plasma mass spectrometry (ICP-MS), atomic absorption spectrometry (AAS) or spectrometry of atomic fluorescence (SFA). This method determines extractable metals in leather; it is not compound-specific or specific to the oxidatio...view more

This document describes a method for the determination of chromium in aqueous solution obtained
from leather. This is an analysis for total chromium in leather; it is not compound specific or specific to
its oxidation state.
This method describes the determination of chromium by inductively coupled plasma (ICP) and is
applicable to leathers which are expected to have chromic oxide contents in excess of 1 mg/kg. Two
techniques for the preparation of the solution to be analysed are included. ...view more

This document specifies a method for the determination of free and released formaldehyde in leathers.
This method, based on colorimetric analysis, is not intended to be used for a precise quantification of
formaldehyde.
The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted
through hydrolysis contained in a water extract from the leather under standard conditions.
This process is not absolutely selective for formaldehyde. Other compounds such as...view more

This document describes a method for the determination of chromium in aqueous solution obtained from leather. This is an analysis for total chromium in leather; it is not compound specific or specific to its oxidation state.
This method describes the determination of chromium by inductively coupled plasma (ICP) and is applicable to leathers which are expected to have chromic oxide contents in excess of 1 mg/kg. Two techniques for the preparation of the solution to be analysed are included. In t...view more

This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on colorimetric analysis, is not intended to be used for a precise quantification of formaldehyde.
The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions.
This process is not absolutely selective for formaldehyde. Other compounds such as ex...view more

This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on high performance liquid chromatography (HPLC), is selective and not sensitive to coloured extracts and is intended to be used for precise quantification of formaldehyde. The formaldehyde content is taken to be the quantity of free-formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions.