Certificate Of Analysis
Product Name Iron(II) oxalate dihydrate,
≥99.99% trace metals basis
Product Number 255971
Product Brand ALDRICH
CAS Number 6047-25-2
Molecular Formula FeC2O4 · 2H2O
Molecular Weight 179.89
 
TEST SPECIFICATION LOT MKBF4064 RESULTS
Appearance (Color) Yellow to Orange Yellow
Appearance (Form) Powder Powder
ICP: Confirms Iron Component Confirmed Conforms
Titration by KMNO4 (% Fe) 30.6 - 31.5 % 31.1 %
Trace Metal Analysis ≤100.0 ppm 66.6 ppm
Antimony (Sb) ppm 6.3 ppm
Arsenic (As) ppm 2.5 ppm
Barium (Ba) ppm 1.0 ppm
Calcium (Ca) ppm 1.5 ppm
Chromium (Cr) ppm 0.5 ppm
Copper (Cu) ppm 0.5 ppm
Lead (Pb) ppm 40.7 ppm
Magnesium (Mg) ppm 2.1 ppm
Manganese (Mn) ppm 0.4 ppm
Nickel (Ni) ppm 0.8 ppm
Sodium (Na) ppm 1.1 ppm
Tin (Sn) ppm 8.5 ppm
Titanium (Ti) ppm 0.8 ppm
Purity Meets Requirements Meets Requirements
  >=99.99% Based On Trace Metals Analysis  
Specification Date: SEP 2010
Date of QC Release: SEP 2010
Print Date: SEP 28 2010