Thermo Fisher, 4K-40, 3K/4K Series Particle Counter Standards

40 μm Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards. Compared with our 3000 and 4000 Series products, this product line is precisely diluted for immediate use in laser particle counters with minimal time-consuming concentration adjustments.
Additive: Contains trace amount of surfactant to inhibit agglomeration and promote stability
Concentration: 8 x 104/mL
Contents: Polymer particles in water
Description: NIST traceable particles that provide calibration of laser particle counters
Includes: Certificate of Calibration and Traceability to NIST
Particle Density: 1.
05g/cm3
Quantity: 15 mL
Refractive Index: 1.
59 at 589nm (25°C)
Size Distribution: <3%
Stability: Product stable for a minimum of 12 months
Color: White or Colorless
Diameter (Metric): 40 μm
For Use With (Application): Laser Particle Counter Calibration
Material: Polystyrene
Product Type: Count Control Particles
Unit Size: Each