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Abstract

The starting material for two certified materials (CRM 281 and 129) and one candidate reference material was obtained from dried grass specially cultivated on a selected and well-prepared soil. This paper compares the production methods of the three materials and the resulting particle size distribution of the powders. A homogeneity study was also carried out for Cd, Pb and Zn by solid sampling Zeeman atomic absorption spectrometry.

Additional information

Authors: KRAMER G N, JRC Geel (BE);GROBECKER K H, JRC Geel (BE);PAUWELS J, JRC Geel (BE)
Bibliographic Reference: Paper presented: BERM-6, Beltsville, Maryland (US), April 17-21, 1994
Availability: Available from (1) as Paper EN 38226 ORA
Record Number: 199410491 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en