PQ Check Standard, Fluid Imaging 0.4, 0.8, 2 µm Custom Particle Count and Size Standard

PQ Check Standard, Fluid Imaging 0.4, 0.8, 2 µm Custom Particle Count and Size Standard

• Volume: 125 mL
• Standard material: NIST traceable size Polystyrene latex (PSL) spheres
• Nominal sizes and concentrations of standard particles:
  • 4 µm PSL – 1,200,000 particles/mL
  • 8 µm PSL – 800,000 particles/mL
  • 2 µm PSL – 400,000 particles/mL
• Product batch will be ± 10% of the nominal concentration; individual standard bottles will be certified ± 22% of the mean concentration and particle sizes are certified ± 5% of the standard size (± uncertainty)

The Certificate of Conformance includes actual concentration testing data and mean size.