3000 Series - Nanosphere Size Standards
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  3000 Series - Nanosphere Size Standards


Excellent for use with any application that requires a NIST traceable size standard with a very narrow standard deviation.
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Thermo Scientific NanosphereTM  Size Standards are highly uniform polystyrene spheres calibrated within billionths of a meter (nanometers) with NIST traceable methodology. One nanometer is 0.001 micrometer (µm) or 10 Angstroms.  Nanosphere size standards are ideal for the calibration of electron and atomic force microscopes. They are also used in laser light scattering studies and colloidal systems research. The 20 to 900 nm range of spheres is convenient for checking the sizes of bacteria, viruses, ribosomes and sub-cellular components.

They are available as uniform polymer spheres in a range of discrete sizes from 20 to 900 nanometers (nm). The spherical diameters are calibrated with linear dimensions transferred from NIST by methods developed at Thermo Fisher Scientific. Spheres are used instead of irregularly shaped particles to minimize the response of analytical systems to shape effects.  The standards are packaged as aqueous suspensions in 15 milliliter (mL) dropper-tipped bottles. The concentrations are optimized for ease of dispersion and colloidal stability. The spheres have a density of 1.05 g/cm3 and an index of refraction of 1.59 @ 589 nm (25°C).

Each package contains a Certificate of Calibration and Traceability to NIST which includes a description of the calibration method and its uncertainty, and a table of chemical and physical properties. A Material Safety Data Sheet, with handling and disposal instructions, is also included. Packages are lot-numbered for convenient technical service and support after the sale.

Thermo Fisher Scientific has its own engineering, production and metrology facilities for better quality control and response to customer needs.  In addition to this line of polymer size standards, we also offer calibration standards in silica and glass materials. Ask our technical service department for information about specific applications or other product needs not listed here. 
 3000 Series - Nanosphere Size Standards
 Product# Price  Nominal Diameter  Solids Content  
         
 3020A      -    20 nm 1%   SELECT  
 3030A      -    30 nm 1%   SELECT  
 3040A      -    40 nm 1%   SELECT  
 3050A      -    50 nm 1%   SELECT  
 3060A      -    60 nm 1%   SELECT  
 3070A      -    70 nm 1%   SELECT  
 3080A      -    80 nm 1%   SELECT  
 3090A      -    90 nm 1%   SELECT  
 3100A      -    100 nm 1%   SELECT  
 3125A      -    125 nm 1%   SELECT  
 3150A      -    150 nm 1%   SELECT  
 3200A      -    200 nm 1%   SELECT  
 3220A      -    220 nm 1%   SELECT  
 3240A      -    240 nm 1%   SELECT  
 3269A      -    270 nm 1%   SELECT  
 3300A      -    300 nm 1%   SELECT  
 3350A      -    350 nm 1%   SELECT  
 3400A      -    400 nm 1%   SELECT  
 3450A      -    450 nm 1%   SELECT  
 3495A      -    500 nm 1%   SELECT  
 3500A      -    500 nm 1%   SELECT  
 3560A      -    560 nm 1%   SELECT  
 3600A      -    600 nm 1%   SELECT  
 3700A      -    700 nm 1%   SELECT  
 3800A      -    800 nm 1%   SELECT  
 3900A      -    900 nm 1%   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
Expiration Date :≥ 24 months
Additives :Contains trace amount of surfactants
Package Includes :Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage and Handling :Store at room temperature or refrigerated. Keep bottle tightly sealed to avoid contamination.