4000 Series - Monosized Microsphere Size Standards
 
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  4000 Series - Monosized Microsphere 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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The mean diameters of these products have been calibrated with Thermo Fisher Scientific's NIST traceable microscopy methods. Their size distribution and uniformity are measured by electrical resistance analysis or optical microscopy. 4000 Series products from 1 µm to 160 µm are made from polystyrene (PS). 4000 Series products from 200 µm to 1000 µm are made from polystyrene crosslinked with divinylbenzene (PSDVB), except for the two largest products, which are made from polymethylmethacrylate (PMMA).

Spheres are used instead of irregularly shaped particles to minimize the response of analytical systems to shape effects. Products from 1 to 160 µm are packaged as aqueous suspensions in 15 mL dropper-tipped bottles, at an optimum concentration for dispersion, handling and dilution. Diameters of 200 µm and larger are packaged as dry spheres.

Each package of standards 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. 
 4000 Series - Monosized Microsphere Size Standards
 PRODUCT# Price  Nominal
Diameter		  Solids
Content		  
         
 4009A      -    1.0 μm 1.0%   SELECT  
 4010A      -    1.0 μm 1.0%   SELECT  
 4011A      -    1.1 μm 1.0%   SELECT  
 4013A      -    1.3 μm 1.0%   SELECT  
 4016A      -    1.6 μm 1.0%   SELECT  
 4018A      -    1.8 μm 1.0%   SELECT  
 4202A      -    2.0 μm 0.4%   SELECT  
 4025A      -    2.5 μm 0.5%   SELECT  
 4203A      -    3.0 μm 0.5%   SELECT  
 4204A      -    4.0 μm 0.4%   SELECT  
 4205A      -    5.0 μm 0.3%   SELECT  
 4206A      -    6.0 μm 0.3%   SELECT  
 4207A      -    7.0 μm 0.3%   SELECT  
 4208A      -    8.0 μm 0.3%   SELECT  
 4209A      -    9.0 μm 0.3%   SELECT  
 4210A      -    10 μm 0.2%   SELECT  
 4212A      -    12 μm 0.2%   SELECT  
 4215A      -    15 μm 0.3%   SELECT  
 4220A      -    20 μm 0.3%   SELECT  
 4225A      -    25 µm 0.5%   SELECT  
 4230A      -    30 μm 0.6%   SELECT  
 4240A      -    40 μm 0.7%   SELECT  
 4250A      -    50 μm 1.4%   SELECT  
 4260A      -    60 μm 1.2%   SELECT  
 4270A      -    70 μm 2.0%   SELECT  
 4280A      -    80 μm 1.7%   SELECT  
 4310A      -    100 μm 2.1%   SELECT  
 4311A      -    115 μm 2.6%   SELECT  
 4314A      -    140 μm 4.0%   SELECT  
 4316A      -    160 μm 4.8%   SELECT  
 4320A      -    200 μm 2.3 x 105 #/g   SELECT  
 4324A      -    240 μm 1.4 x 105 #/g   SELECT  
 4328A      -    280 μm 8.3 x 104 #/g   SELECT  
 4330A      -    300 μm 7.5 x 104 #/g   SELECT  
 4340A      -    400 μm 2.9 x 104 #/g   SELECT  
 4350A      -    500 μm 1.5 x 104 #/g   SELECT  
 4355A      -    550 μm 1.1 x 104 #/g   SELECT  
 4365A      -    650 μm 6.8 x 103 #/g   SELECT  
 4375A      -    750 μm 3.9 x 103 #/g   SELECT  
 4400A      -    1000 μm 1.8 x 103 #/g   SELECT  
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Specifications:
Products from
1 µm to 160 µm :
Particle Composition :Polystyrene (PS)
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.
Products from
200 µm to 650 µm :
Particle Composition :Polystyrene Divinylbenzene (PSDVB)
Particle Density :1.05 g / cm³
Index of
Refraction :		1.59 @ 589nm (25°C)
Bottle Content :1 gram
Expiration Date :≥ 24 months
Additives :None
Package Includes :Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage and Handling :Store at room temperature. Keep bottle tightly sealed to avoid contamination.
Products from
750 µm to 1000 µm :
Particle Composition :Polystyrene acrylate copolymer
Particle Density :1.06 g / cm³
Index of Refraction :1.56 @ 589nm (25°C)
Bottle Content :1 gram
Expiration Date :≥ 24 months
Additives :None
Package Includes :Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage and Handling :Store at room temperature. Keep bottle tightly sealed to avoid contamination.