Trace Sulfur Analysis

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Some sulfur compounds are known to be not only hazardous but also catalytic poisons. ppb sulfur analysis is conducted by gas chromatography. The Nexis SCD-2030 is a next-generation sulfur chemiluminescence detection system. The dramatically enhanced sensitivity and reliability, the excellent maintainability, and the automation functions, a first for the industry, will improve laboratory productivity.

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Model Name	Nexis GC-2030SCD1	Nexis GC-2030SCD2	Nexis GC-2030PFPD1	Nexis GC-2030PFPD2	Nexis GC-2030PFPD3
Reference Method	ASTM D5504	ASTM D5623	ASTM-D6228	ASTM-D6228	ASTM-D6228
Type of Detector	SCD	SCD	PFPD	PFPD	PFPD
Target Compounds	Volatile sulfur compounds in Natural gas or similar gaseous mixture	Sulfur compounds in Motor gasoline fuel or similar light petroleum liquids	H₂S, COS, SO₂, mercaptans	H₂S, COS, SO₂, mercaptans	H₂S, COS, SO₂, mercaptans, aromatic sulfur compounds and sulfides
Others	High selectivity and linearity for sulfur containing compounds and minimizes the quenching effects of hydrocarbons	Very good linearity and repeatability for all sulfur compounds and excellent stability for the long-term analysis	High selectivity for sulfur Linear, simplifies calibration Designed for process gas and gaseous fuels.	High selectivity for sulfur Linear, simplifies calibration Designed for light petroleum liquids and gasoline	Two types of capillary columns realize higher separation performance. Designed for light petroleum liquids and gasoline
Application Datasheet	Download	Download	Download	Download	Download

Model Name	Nexis GC-2030FPD1	Nexis GC-2030TIB	Nexis GC-2030SUL1	Nexis GC-2030SUL2
Reference Method	ASTM-D6228	ASTM-D4735	-	-
Type of Detector	FPD	PFPD	FPD	TCD
Target Compounds	H₂S, COS, SO₂, mercaptans, aromatic sulfur compounds and sulfides	Thiophene in benzene	H₂S, COS	H₂S, SO₂
Others	Micro-packed column can separate sulfide components and hydrocarbons effectively.	High selectivity for sulfur Linear, simplifies calibration Suitable method for thiophene in refined benzene	Designed for gaseous fuels Analysis time: 12 minutes One FPD channel	Two valves/ four packed columns Analysis of H₂S and SO₂ in C₂, C₃, and C₄
Application Datasheet	Download	Download	Download	Download

GC-2014 system is also available for some applications.

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