Specification Test Results

• Insoluble matter:
  0.005%
• Residue after ignition:
  0.01%
• PO11:
  2 ppm
• SO3:
  0.002%
• Ca:
  0.001%
• MG:
  5 ppm
• Heavy Metals (as Pb):
  5 ppm max.
• Fe:
  2 ppm
• pH of a 5% solution:
  4.5-5.5 at 25°