APPLICATION NOTE F&F-D-004-2016/A1 Copyright © 2016 VELP Scientifica. All rights reserved. No part of this publication may be reproduced or transmitted in any form or for any purpose without the express permission of VELP. VELP Scientifica, Italy Tel: +39 039 628 811 Fax: +39 039 628 8120 www.velp.com N/Protein Determination in Soils according to the Dumas method (He/Ar as Carrier) Reference: AOAC 993.13 Nitrogen (Total) i

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