摘要
用铅试金富集催化剂及含铑废水的铑并用钯作灰吹保护,得到钯、铑合粒。合粒经溶解后,用ICP-AES测定其中的铑。该法的富集效果好,钯基体对测定没有干扰,测定快速、准确,相对标准偏差小于1%(n=7),回收率大于97%。本法可用于含铑0.x%～0.000x%的测定。
Rhodium in catalysts and waste water was concentrated firstly by lead fire assay, using palla- dium as protective agent for the cupellation to produce palladium - rhodium alloy. Then the alloy was dis- solved and ICP - AES was used to measure rhodium. The results show that the enrichment by lead fire was very effective. Palladium matrix didn＇t interfere with the measurement. The method is time -saving and accurate. The relative standard deviation is 〈 1 （n =7） and the recovery rate is 〉97%. The method can be applied to the determination of rhodium in the range of 0. x% - 0. 000x%.
出处
《贵金属》
CAS
CSCD
北大核心
2012年第3期39-41,共3页
Precious Metals
关键词
分析化学
铅试金
催化剂
铑废水
ICP
铑
analytical chemistry
fire assaying
catalysts
rhodium water
ICP
Rh
