Draft Document - Chemicals used for water treatment intended for human consumption - Polyamines; German and English version prEN 1409:2022
文件草案-人类生活用水处理用化学品-多胺；德语和英语版本prEN 1409:2022

2022-06-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Sodium carbonate; German and English version prEN 897:2020
文件草案——人类生活用水处理用化学品——碳酸钠；德语和英语版本prEN 897:2020

2020-07-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides; German and English version prEN 1410:2022
文件草案-人类生活用水处理用化学品-阳离子聚丙烯酰胺；德语和英语版本prEN 1410:2022

2022-06-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Sodium hydroxide; German and English version prEN 896:2020
文件草案——人类生活用水处理用化学品——氢氧化钠；德语和英语版本prEN 896:2020

2020-07-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Carbon dioxide; German and English version prEN 936:2021
文件草案——人类生活用水处理用化学品——二氧化碳；德语和英语版本prEN 936:2021

2021-03-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Silver salts for intermittent use; German and English version prEN 15030:2020
文件草案——人类生活用水处理用化学品——间歇使用的银盐；德文版和英文版prEN 15030:2020

2020-07-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Sodium hydrogen carbonate; German and English version prEN 898:2020
文件草案——人类生活用水处理用化学品——碳酸氢钠；德语和英语版本prEN 898:2020

2020-07-01

Draft Document - Chemicals used for treatment of water intended for human consumption - Antifouling for membranes - Sulfamic acid; German and English version prEN 17841:2022
文件草案——人类生活用水处理用化学品——膜防污——氨基磺酸；德语和英语版本prEN 17841:2022

2022-05-01

Draft Document - Chemicals used for treatment of swimming pool water - Sulfuric acid; German and English version prEN 15078:2020
文件草案——游泳池水处理用化学品——硫酸；德文版和英文版prEN 15078:2020

2020-07-01