Low - injection determination of traces of sulfide by the brilliant green - sulfide reaction with spectrophotometric detection

RecordNumber :

123

Doc. No. :

241A

Call. No. :

241A

Author :

Ensafi, ali A

Title of Article :

Low - injection determination of traces of sulfide by the brilliant green - sulfide reaction with spectrophotometric detection

Title Of Periodical :

ANALYTICAL LETTERS

VolumNumber :

V.25, No.8

Date :

(1992)

Page :

P.1525-1543

Descriptors :

Sulfide,FIA,Spectrophotometry,Water

Abstract :

flow injection system is proposed for the rapid and sensitive determination of trace amounts of sulfide based on the addition reaction of sulfide with Brilliant Green at pH 7 and 25 C. The effect of important parameters such as reagent concentration, pH, reagent flow rate, sample volume, temperature and lenght of the reaction coil are reported. Sulfide in the range of 40 - 2000 ng ml**-1 can be determined at a rate of 40+- 5 samples per hour. The limit of detection was obtained as 2.0 ng of sulfide. The relative standard deviation for the determination of 100 ng ml**-1 of sulfide is 0.8,. A system is proposed for elimination of potential interferences. The method was applied to the determination of sulfide in synthetic samples and in spring water.

IndexDate :

اطلاعات ثبت :

Link To Document :

https://library.iut.ac.ir/dL/search/default.aspx?Term=123&Field=0&DTC=104

All Rights Reserved To Payam Mashregh Company

بازگشت