Certificate Of Analysis
Product Name Carbon nanotube, multi-walled,
>98% carbon basis, O.D. × L 6-13 nm × 2.5-20 μm
Product Number 698849
Product Brand ALDRICH
CAS Number 308068-56-6
 
TEST SPECIFICATION LOT MKBC2767 RESULTS
Appearance (Color) Black Black
Appearance (Form) Powder Powder
Aluminum (Al) ppm 5.0 ppm
Antimony (Sb) ppm < 5.0 ppm
Barium (Ba) ppm < 1.0 ppm
Beryllium (Be) ppm < 1.0 ppm
Bismuth (Bi) ppm < 1.0 ppm
Boron (B) ppm 0.5 ppm
Calcium (Ca) ppm 10.0 ppm
Chromium (Cr) ppm 2.0 ppm
Cobalt (Co) ppm > 2000.0 ppm
Copper (Cu) ppm < 5.0 ppm
Hafnium (Hf) ppm < 10.0 ppm
Iron (Fe) ppm 5.0 ppm
Lead (Pb) ppm < 5.0 ppm
Lithium (Li) ppm < 1.0 ppm
Magnesium (Mg) ppm 5.0 ppm
Manganese (Mn) ppm < 5.0 ppm
Molybdenum (Mo) ppm < 10.0 ppm
Nickel (Ni) ppm 1.0 ppm
Niobium (Nb) ppm < 10.0 ppm
Potassium (K) ppm 3.0 ppm
Sodium (Na) ppm 7.0 ppm
Tantalum (Ta) ppm < 10.0 ppm
Tin (Sn) ppm < 5.0 ppm
Titanium (Ti) ppm < 10.0 ppm
Tungsten (W) ppm < 10.0 ppm
Vanadium (V) ppm < 5.0 ppm
Zinc (Zn) ppm < 5.0 ppm
Zirconium (Zr) ppm < 10.0 ppm
Vendor Confirmed Conforms
  Purity: >99% (X-ray Diffraction) MWNT: 99% (HRTM)  
  Outer Diameter: 6.0-13.0 nm (HRTM) Average  
  Diameter: 8.7 nm (HRTM) Inner Diameter: 2.0-6.0 nm  
  (HRTM) Length: 2.5-20 micron (TEM) Average Length:  
  10 micron (TEM) Surface Area: 216 m2/g (BET)  
Specification Date: JUN 2009
Date of QC Release: SEP 2009
Print Date: SEP 30 2009