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Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards

Catalog No. 09980225
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Diameter (Metric):
10.00 ±0.08 μm
15.02 ±0.15 μm
5.010 ±0.035 μm
50.2 ±0.3 μm
2 μm
20 μm
25 μm
30 μm
70 μm
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Catalog No. Diameter (Metric)
09980225 70 μm
09980217 2 μm
09980218 5.010 ±0.035 μm
09980219 10.00 ±0.08 μm
09980220 15.02 ±0.15 μm
09980221 20 μm
09980222 25 μm
09980223 30 μm
09980224 50.2 ±0.3 μm
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Catalog No. 09980225 Supplier Thermo Scientific™ Supplier No. CC70PK
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Description

Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards.

Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards, a cost-effective, convenient and easy to use product for validating liquid particle counters. Packaged in single-use bottles and intended to be sampled directly from the bottle, standards were developed for manufacturers of parenteral drugs and ophthalmic solutions seeking interim verification of USP 788 and 789 (Particulate Matter in Injections and Particulate Matter in Ophthalmic Solutions).

Ready to use precision size standards are designed for regular use in liquid particle counters to verify instrument calibration before each use, assuring the reproducibility of the particle counter by permitting a continuous record of its performance using a NIST™ traceable microsphere suspension with a precise concentration.
  • Polystyrene microspheres are suspended in an ultra clean diluent
  • Concentration is optimized for use in light obscuration particle counters and other low concentration counting applications
  • Diameters are traceable to the Standard Meter through the National Institute of Standards and Technology (NIST)
  • CC10 and CC25 are ideal for USP 788 and 788 interim testing

Includes:

  • Certificate of Calibration and Traceability to NIST™
  • Particle counting protocol
  • Material Safety Data Sheet

Specifications

Additive Trace amount of surfactant to inhibit agglomeration and promote stability
Certifications/Compliance Certificate of Calibration and Traceability to NIST
Concentration 3000 particles/mL ± 10%
Content And Storage 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.
Contents Polystyrene microspheres in water
Description Products provide a precise method for calibrating or checking the performance of laser particle counters
Color White or Colorless
For Use With (Application) Liquid Particle Counter Validation, USP Verification
Material Polystyrene
Product Type Count Control Particles
Includes Certificate of Calibration and Traceability to NIST, Particle Counting Protocol
Particle Density 1.05g/cm3
Quantity 6 x 25 mL
Refractive Index 1.59 at 589nm (25°C)
Size Distribution <3%
Stability Product stable for a minimum of six months
Diameter (Metric) 70 μm
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Frequently Asked Questions (FAQs)

How should I store COUNT-CAL Count Precision Size Standards?

Unless otherwise stated, we recommend refrigerating COUNT-CAL Count Precision Size Standards at 2 to 8 degrees C when not in use. We do not recommenf freezing them. The bottle must be kept tightly sealed and stored upright.