Soy Bean Meal (N, S) is a reference standard produced in accordance to ISO Guide 34-2009. This reference has an indefinite known shelf life unopened. Once opened the shelf life is limited to two years. Keep sealed and store under normal dry laboratory conditions. This is a certified reference material (Working Standard) and is traceable to the above-mentioned reference standard(s).
Other Notes: Certified for the analytes listed below. See certificate for values and more detailsElemental Analysis: Nitrogen and Sulphur