Specification Test Results

• Assay (N; Kjeldahl):
  ≥ 99.2 %
• Identity (IR):
  passes test
• Appearance:
  Clear, colorless liquid.
• Colour (APHA):
  ≤ 10 APHA
• Density (d 20 °C/ 4 °C):
  1.132 - 1.135
• Solidification point:
  2.0 - 3.0 °C
• Boiling point (2 kPa):
  about 103
• Chloride (Cl):
  ≤ 1 ppm
• Cd (Cadmium):
  ≤ 1 ppm
• Cu (Copper):
  ≤ 1 ppm
• Fe (Iron):
  ≤ 1 ppm
• Pb (Lead):
  ≤ 1 ppm
• Zn (Zinc):
  ≤ 1 ppm
• Formic acid:
  ≤ 0.02 %
• Ammonium Formate:
  ≤ 0.1 %
• Sulfated ash (600 °C):
  ≤ 0.005 %
• Water (according to Karl Fischer):
  ≤ 0.1 %