RecordNumber
77
Doc. No.
126A
Call. No.
126A
Author
Ensafi, Ali A
Title of Article
Flow injection spectrophotometric determination of ultra trace amounts of selenium (IV)
Title Of Periodical
INDIAN JOURNAL OF CHEMISTRY
VolumNumber
V.36
Date
(1997)
Page
P.105-107
Descriptors
FIA,Selenium,Catalytic,Spectrophotometry
Abstract
A flow injection specteophotometric method has been described for determination of selenium (IV).The method is based on the catalytic effect of Se(IV) on the reduction of gallocyanine by sulphide. The decrease in absorbance of gallocyanine at 620 nm is proportional to the Se(IV) concentration in the range 2.5500 ng/ml with a limit of detection of 1.0 ng/ml.The relative standard deviation for ten replicate measurements of 50 ng/ml of Se(IV) is 1.5,. Interference dueto variousions has been studied.
Indexer
1376/08
IndexDate
Shahsvary
اطلاعات ثبت
GN104892