The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
ye mian qu qi qi xiang se pu fa ce ding shui zhong qing hua wu
Author(s): 
Pages: 169-177
Year: Issue:  2
Journal: Land & Resources

Keyword:  气相色谱测定氰化物;
Abstract: 取水样于封闭的容器里,注入磷酸盐调节pH值为4—5,再注入氯试剂,振荡2min,使氰化物定量的生成CNCl挥发性气体,并保存在封闭容器里的液面上。在一定温度下,经过0.5h使气液达到平衡,直接取其液面上的气体1ml,用电子捕获检测器气相色谱法测定。此法检测下限为0.3ppb,RSD%为4.87。
Related Articles
No related articles found