Certificate Of Analysis
Product Name Barium chromate,
99.999% trace metals basis
Product Number 573906
Product Brand ALDRICH
CAS Number 10294-40-3
Molecular Formula BaCrO4
Molecular Weight 253.32
 
TEST SPECIFICATION LOT 12402EA RESULTS
APPEARANCE YELLOW POWDER OR CRYSTALS YELLOW POWDER
TITRATION 20.1%-20.9% CR (WITH SODIUM THIOSULFATE) 20.55% CR (WITH SODIUM THIOSULFATE)
GRAVIMETRIC ASSAY 53.4% BA (WITH SULFURIC ACID)
TRACE ANALYSIS, ICP 20 PPM (MAXIMUM) TRACE METALLIC IMPURITIES MO 4.3 PPM;
  FE 2.1 PPM;
  NA 1.4 PPM;
  LI 0.3 PPM
ICP ASSAY CONFIRMS BARIUM AND CHROMIUM COMPONENTS CONFIRMS BA AND CR COMPONENTS
PURITY PURITY BASED ON TRACE METALS ANALYSIS >99.999% BASED ON TRACE METALS ANALYSIS
QUALITY CONTROL JUNE, 2002