Print

Print


Hello Sofia,
GFF and GFC filters melt at 1000 C. We analyze POM on filters at 820 C instead without any problems. I'll send you a paper later today.
Cheers, Bjoern 

> On Apr 12, 2017, at 5:08 AM, Sofia Goncalves <[log in to unmask]> wrote:
> 
> Dear Isogeochem members,
> 
> We are analysing some difficult samples of POMs for d15N and d13C on our EA 2000 IRMS Delta V Advantage. These samples are colleted and analyzed on filters and have a high C/N.
> 
> Some of these samples gives peaks with strange shape and integration. The separation is not good either.
> 
> The analytical conditions are as follows: 
> - carrier flow 90ml/min
> - oxygen flow: 200ml/min
> - reference flow: 200ml/min
> - ox. reactor: 1020 Celsius
> - red. reactor: 650 C
> - oven: 45 C
> 
> Could anyone help me improve this type of analysis?
> 
> Thank you very much.
> 
> Best regards,
> 
> Sofia