PQ Check Standard, USP <788> Microscopic Method Membrane Qualification Std.

061M

PQ Check Standard, USP <788> Microscopic Method Membrane Qualification Standard

  • 25 mm, 0.8 µm pore size MCE membrane, grey, gridded or non-gridded
  • Standard material: NIST traceable size Polystyrene latex (PSL) spheres
  • Nominal sizes and concentrations of standard particles:
    • 10 µm PSL – 300 particles per membrane
    • 25 µm PSL – 30 particles per membrane
  • Above concentrations are nominal; the Certificate of Analysis included with each membrane will show MML certified concentrations
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