The registration for the 23rd Needle/Leaf Interlaboratory Comparison Test is open up from now till 2020-07-01 – a detailed invitation paper were submitted to the laboratories in February 2020. The evaluated parameters are N, S, P, Ca, Mg, C, Fe, Mn, Zn, Cu, Pb, Cd, B, As, Cr, Co, Hg and Ni. Detailed information and the registration page you can find here.
If your laboratory wants to take part and got no invitation, please contact us per email!
All the best,
Alfred Fürst & Michael Tatzber
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