Certificate Of Analysis
Product Name Potassium hydrogenarsenate dihydrate,
99.99%
Product Number 473332
Product Brand ALDRICH
CAS Number 308103-48-2
Molecular Formula K2HAsO4·2H2O
Molecular Weight 254.15
 
TEST SPECIFICATION LOT 12709LR RESULTS
APPEARANCE WHITE CRYSTALLINE POWDER
TITRATION 30.3% AS (WITH KSCN)
ATOMIC ABSORPTION NA 37 PPM
  RB 15 PPM
  CS 5 PPM
TRACE ANALYSIS, ICP B 30 PPM
  SB 18 PPM
  AL 4 PPM
  SE 3 PPM
  SN 2 PPM
  CA 1 PPM
  PB 1 PPM
  ZR 0.7 PPM
  TI 0.5 PPM
  BA 0.2 PPM
ICP ASSAY CONFIRMS POTASSIUM AND ARSENIC COMPONENTS.
QUALITY CONTROL OCTOBER 1997