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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.100 Products of the chemical industry>71.100.70 Cosmetics. Toiletries>21/30393741 DC BS EN ISO 23821. Cosmetics. Analytical methods. Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion
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immediate downloadReleased: 2021-02-04
21/30393741 DC BS EN ISO 23821. Cosmetics. Analytical methods. Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion

21/30393741 DC

BS EN ISO 23821. Cosmetics. Analytical methods. Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion

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Standard number:21/30393741 DC
Pages:20
Released:2021-02-04
Status:Draft for Comment
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21/30393741 DC


This standard 21/30393741 DC BS EN ISO 23821. Cosmetics. Analytical methods. Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion is classified in these ICS categories:
  • 71.100.70 Cosmetics. Toiletries

This European standard specifies a process for determination of mercury in cosmetics by means of cold vapour atomic absorption (AAS) with a prior pressure digestion. This process was validated by means of an interlaboratory test according to ISO 5725-2 [6] using e.g. lipstick, body lotion, toothpaste and eyeshadow, with a mercury concentration in the range of 0,110 mg/kg to 5,84 mg/kg. Statistical characteristics regarding this interlaboratory test are provided in Annex A, Table A.1.

This standard has been developed in parallel with ISO 23674. Knowing this, an interlaboratory test using either one or the other method was performed on same tailor-made cosmetic products in order to establish that both methods fulfilled the same requirements (see Annex B).