NF EN ISO 17075-1
NF EN ISO 17075-1

NF EN ISO 17075-1

April 2017
Standard Current

Leather - Chemical determination of chromium(VI) content in leather - Part 1 : colorimetric method

ISO 17075-1:2017 specifies a method for determining chromium(VI) in solutions leached from leather under defined conditions. The method described is suitable to quantify the chromium(VI) content in leathers down to 3 mg/kg.ISO 17075-1:2017 is applicable to all leather types.The results obtained from this method are strictly dependent on the extraction conditions. Results obtained by using other extraction procedures (extraction solution, pH, extraction time, etc.) are not comparable with the results produced by the procedure described in this document.If a leather sample is tested with both this document and ISO 17075-2, the results obtained with ISO 17075-2 are considered as the reference. The advantage of the method described in ISO 17075-2 is that there are no interferences from the colour of the extract. Nevertheless, interlaboratory trials do not show significant differences (see Annex C) and the results are comparable between both methods.

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Main informations

Collections

National standards and national normative documents

Publication date

April 2017

Number of pages

20 p.

Reference

NF EN ISO 17075-1

ICS Codes

59.140.30   Leather and furs

Classification index

G52-227-1

Print number

1

International kinship

ISO 17075-1:2017

European kinship

EN ISO 17075-1:2017
Sumary
Leather - Chemical determination of chromium(VI) content in leather - Part 1 : colorimetric method

ISO 17075-1:2017 specifies a method for determining chromium(VI) in solutions leached from leather under defined conditions. The method described is suitable to quantify the chromium(VI) content in leathers down to 3 mg/kg.

ISO 17075-1:2017 is applicable to all leather types.

The results obtained from this method are strictly dependent on the extraction conditions. Results obtained by using other extraction procedures (extraction solution, pH, extraction time, etc.) are not comparable with the results produced by the procedure described in this document.

If a leather sample is tested with both this document and ISO 17075-2, the results obtained with ISO 17075-2 are considered as the reference. The advantage of the method described in ISO 17075-2 is that there are no interferences from the colour of the extract. Nevertheless, interlaboratory trials do not show significant differences (see Annex C) and the results are comparable between both methods.

Replaced standards (1)
NF EN ISO 17075
NF EN ISO 17075
March 2008
Standard Cancelled
Leather - Chemical tests - Determination of chromium(VI) content

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Substances chimiques
  • 6 Appareillage et matériel
  • 7 Mode opératoire
  • 8 Calcul et expression des résultats
  • 9 Rapport d'essai
  • Annexe A Substrat utilisé pour l'extraction en phase solide (EPS)
  • Annexe B Exactitude
  • Annexe C Comparaison entre la méthode colorimétrique ( ISO 17075-1 ) et la méthode par chromatographie ionique ( ISO 17075-2 )
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