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PQ Check Standard, 5 & 10 µm Bi-Mix, USP <729 > Method 2, AD/APS
061UF-0125 & 061UF-0250 & 061UF-0500
PQ Check Standard, 5 & 10 µm Bi-Mix, USP <729 > Method 2 with Automatic Dilution
- Designed specifically with USP <729> requirements in mind, prior to executing the “”Method 2″” SPOS PFAT-5 test, this standard is used to verify the performance of a Single Particle Optical Sensing (SPOS) particle counter equipped with an automatic dilution system.
- Standard material: NIST traceable size Polystyrene latex (PSL) spheres.
- Nominal sizes and concentrations of standard particles:
- 5 µm PSL – 400,000 particles/mL
- 10 µm PSL – 200,000 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 Analysis includes actual concentration testing data and mean size.
| Volume | 125 mL, 250 mL, 500 mL |
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