Authors: BOGERSHAUSEN W CICCIARELLI R GERCKEN B KRIVAN V MULLERKAFER R PAVEL J SELTNER H SCHELCHER J

Citation: W. Bogershausen et al., PURE GRAPHITE AS A REFERENCE MATERIAL FOR THE DETERMINATION OF TRACE-ELEMENTS - AN INTERLABORATORY COLLABORATIVE STUDY, Fresenius' journal of analytical chemistry, 357(3), 1997, pp. 266-273