Josué J Jautzy

4 Questions 4 Answers 0 Followers

Questions related from Josué J Jautzy

Is it possible to co-extract PLFAs and VFAs from a shale sample?

Hello researchgaters! Quick question: Does anyone has ever tried to coextract PLFAs and VFAs (volatile fatty acids) with good recoveries? I was thinking about getting potentialy my VFAs in the...

16 November 2015 4,115 0 View

Can anyone help me find a HP 5890 Series II GC printed control board diagram?

Gas chromatographers, we want to repair an old HP 5890 Series II, it is very likely an electronic problem due to a faulty printed control board (PCB). We have a technician able to repair printed...

15 November 2013 7,115 2 View

How much methane is needed in order to have a good carbon coating without overloading a GC-TC-IRMS reactor?

A question for the GC IRMS community about methane conditioning of an Al2O3 TC reactor for CSHIA. I set up the GC TC system using an empty ceramic tube heated at 1450°C as the pyrolysis reactor. I...

21 October 2013 2,910 3 View

What cleanup method would be the best to purify PAHs from an hydrocarbon UCM?

Two classical silica-gel column, a saponification, a liquid/liquid extraction and two TLC with 8:2 hexane toluene and 9:1 hexane toluene were already applied. The nature of the organic extract is...

24 May 2013 3,201 6 View