宁夏农林科技
寧夏農林科技
저하농림과기
NINGXIA JOURNAL OF AGRICULTURE AND FORESTRY SCIENCE AND TECHNOLOGY
2012年
7期
117-118,144
,共3页
陆胜龙%倪圣亚%薛民琪%任彬
陸勝龍%倪聖亞%薛民琪%任彬
륙성룡%예골아%설민기%임빈
氢化物发生%原子荧光法%麦秆%铅
氫化物髮生%原子熒光法%麥稈%鉛
경화물발생%원자형광법%맥간%연
Hydride generation%Atomic fluorescence spectrometry%Straw%Plumbum
采用断续流动氢化物发生器,以碱性铁氰化钾为氧化剂,在柠檬酸介质中使铅产生铅烷后,采用氢化物发生原子荧光法测定痕量铅。将该法应用于生物反应堆麦秆原料中痕量铅的测定,在选定最佳工作条件下加标回收率为97.33%。同时介绍了实际应用中的经验和测铅时常遇到的故障,并提出了相关的处理方法。
採用斷續流動氫化物髮生器,以堿性鐵氰化鉀為氧化劑,在檸檬痠介質中使鉛產生鉛烷後,採用氫化物髮生原子熒光法測定痕量鉛。將該法應用于生物反應堆麥稈原料中痕量鉛的測定,在選定最佳工作條件下加標迴收率為97.33%。同時介紹瞭實際應用中的經驗和測鉛時常遇到的故障,併提齣瞭相關的處理方法。
채용단속류동경화물발생기,이감성철청화갑위양화제,재저몽산개질중사연산생연완후,채용경화물발생원자형광법측정흔량연。장해법응용우생물반응퇴맥간원료중흔량연적측정,재선정최가공작조건하가표회수솔위97.33%。동시개소료실제응용중적경험화측연시상우도적고장,병제출료상관적처리방법。
The determination of Pb by atomic fluorescence spectrometry was performed.Alkaine potassium ferricyanide was used to oxidize Pb to tetravalent state.plumbane was generated in citric acidmedium.Under optimum conditions,the method has been applied to the determination of plumbum in straw with recoveries of 97.33%.The experience of practical application and the faults were introduced,some relevant processing methods were pointed out.