ISO 8761 CORR 1-2009 Work-place air - Determination of mass concentration of nitrogen dioxide - Method using detector tubes for short-term sampling with direct .pdf

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1、ICS 13.040.30 Rf. n oISO 8761:1989/Cor.1:2009(F) ISO 2009 Tous droits rservs Publi en Suisse NORME INTERNATIONALE ISO 8761:1989 RECTIFICATIF TECHNIQUE 1 Publi 2009-07-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONAir des lieux de travail Dtermination d

2、e la concentration en masse du dioxyde dazote Mthode utilisant des tubes dtecteurs pour chantillonnage rapide lecture directe RECTIFICATIF TECHNIQUE 1 Work-place air Determination of mass concentration of nitrogen dioxide Method using detector tubes for short-term sampling with direct indication TEC

3、HNICAL CORRIGENDUM 1 Le Rectificatif technique 1 lISO 8761:1989 a t labor par le comit technique ISO/TC 146, Qualit de lair, sous-comit SC 2, Atmosphres des lieux de travail. Page 4, 9.2, premier alina Ajouter la phrase supplmentaire suivante aprs . 6 mg/m 3 . Lerreur de lecture doit tre infrieure 4 ppm (4 ml pour 10 6ml), sinon lerreur alatoire maximale sera suprieure 25 % (exprime comme deux fois le coefficient de variation).

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