General - Scope - Manure and Compost
Wageningen University is accredited for the organization of Interlaboratory Studies by the Dutch Accreditation Council RvA under registration number R002. The accreditation is based on the ISO/IEC- requirements (General requirements for proficiency testing, ISO/IEC 17043:2010). Determinands only meet the criteria for accreditation if the results are reported by a sufficient number of participants for at least three years and the results have proven to be homogeneous and stable.
Determinands that are not in bold are not subject to accreditation.
|MARSEP||Inorganic Chemical Composition||Ag, Al, As, B, Ba, Be, Bi, TC =totalC (org+inorg), TOC =total org.C, OC = org.C, Ca, Cd, Ce, Cl, Co, Cr, Cu, F, Fe, Ga, Hg, I, K, Li, Mg, Mn, Mo, N, N - NH4 (as N), N - NO3 (as N), Na, Ni, P, Pb, S, S - SO4 (as S), Sb, Se, Si, Sn, Sr, Th, Ti, Tl, U, V, Zn|
|MARSEP||Other determinations||AOX, loss-on-ignition, residu-on-ignition, COD, mineral oil, dry weight|