ISO 19739 CORR 1-2009 Natural gas - Determination of sulfur compounds using gas chromatography Technical Corrigendum 1《天然气 用气相色谱法测定硫化合物的含量 技术勘误1》.pdf

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ISO 19739 CORR 1-2009 Natural gas - Determination of sulfur compounds using gas chromatography Technical Corrigendum 1《天然气 用气相色谱法测定硫化合物的含量 技术勘误1》.pdf_第1页
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1、ICS 75.060 Rf. n oISO 19739:2004/Cor.1:2009(F) ISO 2009 Tous droits rservs Publi en Suisse NORME INTERNATIONALE ISO 19739:2004 RECTIFICATIF TECHNIQUE 1 Publi 2009-04-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONGaz naturel Dtermination des composs sou

2、frs par chromatographie en phase gazeuse RECTIFICATIF TECHNIQUE 1 Natural gas Determination of sulfur compounds using gas chromatography TECHNICAL CORRIGENDUM 1 Le Rectificatif technique 1 lISO 19739:2004 a t labor par le comit technique ISO/TC 193, Gaz naturel, sous-comit SC 1, Analyse du gaz natur

3、el. Page 4, Article 6 Ajouter lalina suivant aprs le deuxime alina. Il convient de procder au prlvement dun chantillon et son dplacement vers un lieu isol seulement lorsquil nexiste aucune autre option. Mme dans ce cas, il convient dutiliser un tube coloration sur place pour permettre une vrificatio

4、n succincte du niveau approximatif de composs soufrs prsents avant de transporter lchantillon. Le niveau de risque dpend du produit tudi: lthylmercaptan (EM) est beaucoup plus ractif que le ttrahydrothiophne (THT), par exemple, do moins de pertes au cours du transport avec le THT quavec lEM. Page 4, Article 6 Ajouter la note suivante aprs le dernier alina. NOTE Les cylindres chantillonneurs revtus de rsine phnolique sont prfrables aux cylindres revtus de verre ou de polyttrafluorthylne (PTFE) ou ceux uniquement en acier inoxydable.

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