| Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
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| Composition | Polystyrene |
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| Concentration | 3800 particles/mL ± 15% |
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| Contents | Polystyrene microspheres in water |
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| Description | Used by manufacturers of parenteral drugs and ophthalmic solutions who are seeking interim verification of USP <788> and <789>. |
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| Diameter (Metric) | 15μm |
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| Diameter (Metric) Particle | 15.0 ± 0.2µm |
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| Includes | Certificate of Calibration and Traceability to NIST |
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| Material | Polystyrene |
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| Particle Density | 1.05g/cm3 |
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| Quantity | 6 x 25mL bottles |
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| Refractive Index | 1.59 at 589nm (25°C) |
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| Size Distribution | <3% |
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| Stability | Product stable for a minimum of 12 months |
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| Storage Requirements | Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer. |
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| Type | Count Control Particles |
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| For Use With (Application) | USP Verification |
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