摘要
本文研究了在乙醇－水载流体系中钯的流动注射光度法。二硫代乙二酰胺为显色剂，在波长４２０ｎｍ处检测，测定钯的线性范围为２．０～１２．０μｇ／ｍＬ，进样频率达２４０次／ｈ。方法有较好的选择性，适合于各种催化剂、合金和王水不溶渣中微量和较高含量钯的分析。
Using alcohol-water solvent as the carrierstream,a new FIA method was developed for thespectrophotometric determination of palladium. De-tection of Pd(Ⅱ)complex peak is at 420nm,withdithiooxamide as the color reagent,the linear rangeof determination of Pd is 2.0～12μg/mL. The samplesolution can be analvzed at a rate of 240/h.Themethod is highly selective and it has been applied todetermine Pd in various catalysts,alloys and aqua re-gia non-soluble residue. The results obtained by thismethod are in good agreement with those obtained byclassic methods.
出处
《分析试验室》
CAS
CSCD
北大核心
1994年第2期9-11,共3页
Chinese Journal of Analysis Laboratory
关键词
二硫代
乙二酰胺
分光光度法
钯
FI
Flow injection
spectrophotometry
dithiooxamide
palladium determination
