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Udgivet

Chromium and cobalt release from metallic earrings from the Danish market

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

DOI

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Vis graf over relationer

Background: Chromium and cobalt are important skin sensitizers. It has, however, been difficult to identify causative exposures. Studies on nickel allergy have demonstrated piercing as critical for both sensitization and elicitation. It may be speculated that the same applies for chromium and cobalt. Objective: To examine the content and release of chromium and cobalt from earrings randomly purchased in Denmark. Methods: Three hundred four earrings were examined with x-ray fluorescence (XRF) spectrometry. Earrings with measured content of chromium or cobalt were spot tested with diphenylcarbazide spot test (n = 166) or Nitroso-R spot-test (n = 99), respectively. Chromium and cobalt release were quantified in a selected subsample (n = 100) with the artificial sweat test (EN 1811). Results: Chromium was present in 54.6% (166/304) of earrings and cobalt was present in 72.0% (219/304),− measured by XRF. All chromium spot tests for chromium VI were negative. The cobalt spot test was positive for one component. Chromium release was found from 59/100 (median concentration = −0.06 μg/cm2/week) and cobalt release from 29/100 (median concentration = −0.06 μg/cm2/week) of earrings in tested subsample. Conclusion: Earrings for piercing release chromium and cobalt and may on a case basis be a source of chromium and cobalt allergy.

OriginalsprogEngelsk
TidsskriftContact Dermatitis
Vol/bind85
Udgave nummer5
Sider (fra-til)523-530
Antal sider8
ISSN0105-1873
DOI
StatusUdgivet - nov. 2021

Bibliografisk note

Funding Information:
This study was funded by a grant to the Environmental Protection Agency under the Ministry of Environment and Food of Denmark and by the Aage Bang Foundation.

Publisher Copyright:
© 2021 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd

ID: 69204312