NF X43-296

Workplace air. X-ray determination of the conventional alveolate fraction of crystalline silica. Sampling by membrane filter.

Le présent document définit une méthode d'échantillonnage sur membrane filtrante pour la détermination par rayons X de la concentration de la fraction conventionnelle alvéolaire de silice cristalline. La méthode fournit la concentration moyenne de la fraction conventionnelle alvéolaire pendant la durée d'échantillonnage.

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