Sulfur detectors

[mgasparri]

I´m trying to decide the best sulfur detector to be couple to a GC. I have read papers about SDC (Chemiluminesce) and PFPD (Pulsed Photometric detector) in beverages and food applications, does anybody can give me some advices?

[Mark]

mgaspari,

I have used an SCD for very low levels of dimethyldisulfide and other very volatile sulfur compounds before and was very pleased with the detector. We used a Seivers detector with great success. They take a little set-up time but we found them to be very reliable, reproducibly and sensitive (do sub ppm work easily).

Regards,

[xxx]

We used an FPD for Sulfur compound and it function very well.
But PFDP should be a better choice.

[Ron]

The SCD will be more sensitive and less subject to interference. An FPD will be cheaper and require less setup. The PFPD is more expensive and requires more setup than a standard FPD, and is not much more sensitive that the latest generation of FPDs from Shimadzu and Thermo.

[EricD]

I have a PFPD and it works very well, with good sensitivity. I worked at a place with an SCD, and it took two years to get it right. But that was a while ago, so perhaps things work better now.