Specifikationstestresultat

• Appearance:
  White to yellowish-white Hygroscopic powder
• Infrared spectrum:
  Conforms
• Water:
  ≤5.0 % (K.F.)
• Sulfated ash:
  ≤0.1 %
• HPLC:
  ≤10 ppm (1-Vinylpyrrolidin-2-one)
• Appearance of solution:
  (5 % in water at 25°C) Clear
• Viscosity:
  27 to 32 K-value (1 % w/v in water at 25°C)
• pH:
  3.0 to 5.0 (5 % in water)
• Nitrogen (N):
  11.5 to 12.8 % (on anhydrous substance)
• Aldehyde (C2H4O):
  ≤0.05 %
• Hydrazine (N2H4):
  ≤1 ppm
• Peroxides:
  ≤400 ppm