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3K-4K Series - Particle Counter Size Standards
 
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  3K-4K Series - Particle Counter Size Standards


In comparison 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.

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These NIST traceable size standards provide an accurate and convenient method for calibrating or checking the performance of laser particle counters used in cleanrooms and other contamination monitoring applications.  The products are suspensions of monodisperse polystyrene spheres for use in airborne or liquid particle dispersion systems.  The particle diameters are traceable to the Standard Meter through the National Institute of Standards and Technology (NIST).

The particles are prepared as low residue aqueous suspensions for minimal background interference.
 3K-4K Series - Particle Counter Size Standards
 Product# Price  Nominal Diameter  Approximate #/mL  
         
 3K-100      -    0.1 μm 109   SELECT  
 3K-150      -    0.15 μm 109   SELECT  
 3K-200      -    0.2 μm 109   SELECT  
 3K-220      -    0.22 μm 109   SELECT  
 3K-269      -    0.27 μm 109   SELECT  
 3K-300      -    0.3 μm 109   SELECT  
 3K-350      -    0.35 μm 109   SELECT  
 3K-400      -    0.4 μm 109   SELECT  
 3K-500      -    0.5 μm 109   SELECT  
 3K-600      -    0.6 μm 109   SELECT  
 3K-700      -    0.7 μm 109   SELECT  
 3K-800      -    0.8 μm 109   SELECT  
 3K-900      -    0.9 μm 109   SELECT  
 3K-990      -    1.0 μm 109   SELECT  
 3K1000      -    1.0 μm 109   SELECT  
 3K1600      -    1.6 μm 109   SELECT  
 4K-02      -    2.0 μm 5 x 108   SELECT  
 4K-03      -    3.0 μm 5 x 107   SELECT  
 4K-04      -    4.0 μm 5 x 107   SELECT  
 4K-05      -    5.0 μm 107   SELECT  
 4K-06      -    6.0 μm 107   SELECT  
 4K-07      -    7.0 μm 107   SELECT  
 4K-10      -    10 μm 106   SELECT  
 4K-15      -    15 μm 106   SELECT  
 4K-20      -    20 μm 3 x 105   SELECT  
 4K-25      -    25 μm 3 x 105   SELECT  
 4K-30      -    30 μm 3 x 105   SELECT  
 4K-40      -    40 μm 8 x 104   SELECT  
 4K-50      -    50 μm 8 x 104   SELECT  
 4K-60      -    60 μm 8 x 104   SELECT  
 4K-70      -    70 μm 8 x 104   SELECT  
 4K-80      -    80 μm 3 x 104   SELECT  
 4K100      -    100 μm 3 x 104   SELECT  
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Specifications:
Particle Composition :Polystyrene
Particle Density :1.05 g/cm³
Index of Refraction :1.59 @ 589nm (25°C)
Bottle Size :15 mL
Content :Polystyrene microspheres
Additives :Trace amount of surfactant to inhibit agglomeration and promote stability
Package Includes :Certificate of Calibration and Traceability to NIST, Material Safety Data Sheet (MSDS)
Storage & Handling :Store between 4 and 30° C. Do not freeze the particle suspension. Store upright and keep bottle tightly sealed to avoid contamination. Thoroughly disperse prior to use.