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Title Membrane-based flow injection system for determination of sulfur(IV) in atmospheric water
Creator/Author Dasgupta, P.K. ; Gupta, V.K.
Publication Date1986 May 01
OSTI IdentifierOSTI ID: 5745367
Other Number(s)CODEN: ESTHA
Resource TypeJournal Article
Resource RelationEnviron. Sci. Technol. ; Vol/Issue: 20:5
Research OrgTexas Tech. Univ., Lubbock
Subject500200 -- Environment, Atmospheric-- Chemicals Monitoring & Transport-- (-1989); SULFUR-- AIR POLLUTION MONITORING;SULFUR-- MEASURING METHODS; CLOUDS;DROPLETS;QUANTITATIVE CHEMICAL ANALYSIS
Related SubjectCHEMICAL ANALYSIS;ELEMENTS;NONMETALS;PARTICLES
Description/Abstract A single flow channel analysis system that employs the formaldehyde-S(IV)-pararosaniline color reaction has been developed for the determination of aqueous S(IV).^The system employs a passive cation-exchange membrane reactor for the introduction of base and a pressurized porous membrane reactor for the introduction of acidic pararosaniline.^The detection limit is 1.6 x 10/sup -7/ M S(IV); the sample size is 200 ..mu..L, and the throughput rate is 15/h.^Results for cloudwater samples are presented.^15 references, 3 figures, 1 table.
Country of PublicationUnited States
LanguageEnglish
FormatPages: 524-526
System Entry Date2001 May 13

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