公开(公告)号：EP2625516A4

公开(公告)日：2015-06-03

申请号：EP11830279

申请日：2011-10-06

Applicant: BASF SE

Inventor： GRASSER WALTER ,  GROSS ANDREAS ,  PÄBST HANS ,  DOMKE IMME ,  MICHAILOVSKI ALEXEJ

IPC: G01N33/24

CPC classification number: G01N33/24 ,  H01J37/321 ,  H01J37/32972

公开(公告)号：ZA201303258B

公开(公告)日：2014-07-30

申请号：ZA201303258

申请日：2013-05-06

Applicant: BASF SE

Inventor： GRASSER WALTER ,  GROSS ANDREAS ,  PABST HANS ,  DOMKE IMME ,  MICHAILOVSKI ALEXEJ

IPC: G01N20060101

Abstract: Method of assaying noble metals in a mineral and/or ceramic matrix in the content range from 0.03 to 500 mg/kg, which comprises the following steps: (a) Dry thermal treatment of a homogenized sample in a reducing atmosphere; (b) Extraction in an oxidizing medium; (c) Atomic spectrometric quantification of the noble metals by means of ICP-QMS.