Certificate Of Analysis
Product Name Praseodymium,
powder, ~40 mesh, 99.5% trace rare earth metals basis
Product Number 263176
Product Brand ALDRICH
CAS Number 7440-10-0
Molecular Formula Pr
Molecular Weight 140.91
 
TEST SPECIFICATION LOT 05213KZ RESULTS
APPEARANCE CHARCOAL-GREY POWDER AND FLAKES
X-RAY DIFFRACTION CONFORMS TO STANDARD PATTERN.
TRACE ANALYSIS, ICP RARE EARTH ELEMENTS OTHER ELEMENTS
  Y 120 PPM NI 7 PPM
  LA 100 PPM B 6 PPM
  YB 40 PPM MG 1 PPM
ICP ASSAY PR 100%
PARTICLE SIZE -40 MESH +100 MESH