P R O D U C T B R I E F GC Engineered Solutions Trace Sulfur Analyzer Models 4025/4425 • Analysis: refinery gas, natural gas, process gas, and Kraft gas • Uses a sulfur chemiluminescence detector (SCD) • The SCD features an equimolar response to sulfur compounds, lack of carbon interference and requires simple calibration Key Features • Meets: ASTM D5504 • Guaranteed detection levels (based on individual components without interference from neighboring peaks): SCD Min (ppb) All sulfur compounds 10 • Capillary-column solution • Sample types analyzed: Gas Ethyl Mercaptan • Model 4425 includes permeation-tube calibration chamber Detected Compounds 1.0 2.0 3.0 4.0 Dimethyl Sulfide Methyl Mercaptan Carbonyl Sulfide • Permeation tube chamber can accommodate up to four permeation tubes or wafers for calibration of other non-sulfur compounds Sulfur Dioxide • Manual valve is used to select the calibration chamber or the sample input Hydrogen Sulfide • Mounts on top of the analyzer for easy access 5.0 6.0 7.0 8.0 SCD channel, with cryogenics (concentration of DMS ~390 ppb) • Hydrogen sulfide (H2S), carbonyl sulfide (COS), sulfur dioxide (SO2) (cryogenic cooling required for COS/SO2 separation), mercaptans, aromatic sulfur compounds, sulfides PerkinElmer, Inc. 940 Winter Street Waltham, MA 02451 USA P: (800) 762-4000 or (+1) 203-925-4602 www.perkinelmer.com For a complete listing of our global offices, visit www.perkinelmer.com/ContactUs Copyright ©2013, PerkinElmer, Inc. All rights reserved. PerkinElmer® is a registered trademark of PerkinElmer, Inc. All other trademarks are the property of their respective owners. 011273_01 Dimethyl Disulfide • Can be designed to be online and/or a multistream system Propyl Mercaptan • Can be modified with a second or third channel to perform additional analyses (custom solution) 9.0 10.0