Hi Bob,
I think the most time consuming step in a carbonate method on the MultiFlow is actually the acid delivery. 
18 min per sample for some 200 microliters on my machine as opposed to 5 min for He flushing. Thanks to a stupid, belt driven pump.
Can be sped up by manually adding acid (after flushing) with a Hamilton syringe or similar.

On Fri, 7 Dec 2018 at 04:40, Michener, Robert H <[log in to unmask]> wrote:

Hi all,


I’m hoping to get started with some backlogged carbonate samples. We have a MultiFlow to flush the vials, but to save time I’m thinking of flushing the vials in a glove bag. Has anyone tried this? And would argon work as a flush gas (I have a tank on hand)?








Robert Michener

IRMS Laboratory Manager

Boston University Stable Isotope Laboratory

Department of Biology

5 Cummington Mall

Boston, MA  02215


Voice: 617-353-6980

Fax: 617-353-6340

Email: [log in to unmask]

Website:  www.bu.edu/sil/

"You are what you eat, plus a few permil!"



Please consider the environment before printing this e-mail


University of Tasmania │CSL - Isotope Ratio Mass Spectrometry

Dr. Christian Dietz, Facility Manager Private Bag 74, Hobart, 7005 Tasmania

 ( Tel: (+61) 3 6226 7820, cell phone: (+61) 4 9780 8570 URL: Central Science Laboratory

This message is intended exclusively for its adressee and may contain information that is CONFIDENTIAL and protected by professional privilege. If you are not the intended recipient you are hereby notified that any dissemination, copy or disclosure of this communication is strictly prohibited by law. If this message has been received in error, please immediately notify us via e-mail and delete.