Without SilcoNert® 2000, there will not be sulfur analysis

November 08 2013 Process Analytical

A recent article in Petro Industry News by Khalid Tafrasti; Era Analytics FZCO offers insights into key factors that influence successful sulfur analysis:

Sample: Influences detector choice
Hydrocarbon quenching: Good separation of hydrocarbons
Passivation: Treat all surfaces

Passivation is important because sulfur is highly reactive to many surfaces commonly used in sample transfer and analysis including:

Stainless steel
Nickel
Glass
Quartz

The impact of an inert surface is demonstrated by comparing separation of H2S (hydrogen sulfide) and CH4S (methymercaptan).

Sulfur liner comparison

The top chromatogram shows no resolution of reactive sulfur compounds like H2S and mercaptans when using a stainless steel liner.
A SilcoNert® 2000 (Siltek®/Sulfinert®) treated liner allow sulfur transfer without reacting with the sample transfer or analytical surface. Sulfurs elute with high response improving sampling reliability.

Want more information? Read industry whitepapers

The article states: "The Siltek® deactivation contributed a lot here as all parts that are in contact with the sample can be passivated using Siltek® deactivation."
Read the entire article.

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Without SilcoNert® 2000, there will not be sulfur analysis

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