For quantitative purposes the main limitation is the ion suppression caused by matrix components when using an electrospray ion source. The use of stable isotopically labelled compounds as internal ...
Vol. 118, No. 1/2, Selected papers from the SEVENTH INTERNATIONAL CONFERENCE ON FRANKIA AND ACTINORHIZAL PLANTS (August 1989), pp. 43-50 (8 pages) Seedlings of Alnus incana (nodulated and ...