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
yi er zuo zuo rong ye xi shou fa ce ding kong qi zhong de er yang hua liu
Author(s): 
Pages: 33
Year: Issue:  1
Journal: Occupational Health and Emergency Rescue

Abstract: <正> 现广泛应用于测定空气中二氧化硫的方法是四氯汞盐溶液吸收—盐酸副玖瑰苯胺比色法。由于该法的吸收液中含有高浓度的剧毒汞盐,危害分析人员的健康和污染环境,人们一直在寻找无毒的吸收液。华西医科大学公共卫生学院改进现用吸收液,采用无毒的乙二羟肟作吸收液,在PH小于2的环境中被吸收的二氧化硫极易解离,而与盐酸副玖瑰苯胺和甲醛发生显色反
Related Articles
No related articles found