關於我們

The 200 105 PDF questions are actually very easy to download and can be used as per the 200 105 exam study requirements of the individuals. 300-209 dumps pdf The 200 105 PDF questions are actually very easy to download and can be used as per the 200 105 exam study requirements of the individuals. chfp exam questions You can download the exam preparation material from 200 105 Practice Exam Questions With Passing Guarantee Looking for Cisco 200 105 certification exam dumps You can easily get Cisco 200 105 dumps from Dumpscertify. AND-401 dumps Pass 200 105 Exam With 100 Valid Dumps Material Securedumps has put its full efforts with a consultation of Our Team Experts to bring the high quality 200 105 exam materials that would produce desirable results with the first attempt. 840-425 dumps It shows that you would also become an expert in your field with a title of being certified from original Cisco 200 105 knowledge. ex200 practice exam Securedumps is an ideal platform which covers the entire course contents prepare you for the actual 200 105 exam as this site have always verified and updated dumps which helps you to prepare your exam with less effort in very short time.
純水產品
純水知識庫
最新資訊
- 最新消息
- 行銷活動
聯絡我們
首頁

關於我們

The 200 105 PDF questions are actually very easy to download and can be used as per the 200 105 exam study requirements of the individuals. 300-209 dumps pdf The 200 105 PDF questions are actually very easy to download and can be used as per the 200 105 exam study requirements of the individuals. chfp exam questions You can download the exam preparation material from 200 105 Practice Exam Questions With Passing Guarantee Looking for Cisco 200 105 certification exam dumps You can easily get Cisco 200 105 dumps from Dumpscertify. AND-401 dumps Pass 200 105 Exam With 100 Valid Dumps Material Securedumps has put its full efforts with a consultation of Our Team Experts to bring the high quality 200 105 exam materials that would produce desirable results with the first attempt. 840-425 dumps It shows that you would also become an expert in your field with a title of being certified from original Cisco 200 105 knowledge. ex200 practice exam Securedumps is an ideal platform which covers the entire course contents prepare you for the actual 200 105 exam as this site have always verified and updated dumps which helps you to prepare your exam with less effort in very short time.
純水產品
純水知識庫
最新資訊
- 最新消息
- 行銷活動
聯絡我們
首頁

如何檢測水中有機物的濃度？

Home
純水知識庫
實驗用水的基礎
如何檢測水中有機物的濃度？

如何檢測水中有機物的濃度？

水中的有機物含量，可以用總有機碳TOC (total organic carbon) 來表示。超純水中的有機物經常用TOC analyzer來加以監測 (圖１) 。因為有機物受185 nm短波長之紫外線照射後，會被氧化分解，此時生成的二氧化碳會溶於水中而形成碳酸根離子，造成導電率的改變(增加)。再經由氧化前後的導電率差 (△C) 來求出水中TOC濃度，單位為 μg C / L，也可以用前述的ppm、ppb來表示。