PSL Spheres 1um – 160um, NIST Traceable Size Accuracy
PSL Spheres, 1um – 160um, Polystyrene Latex Spheres, 4000 Series
4000 Series PSL are excellent for use with any application that requires a NIST traceable size standard with a very narrow standard deviation. The mean size diameter of these PSL spheres are calibrated with NIST traceable microscopy methods. The size distribution and uniformity are measured by electrical resistance analysis or optical microscopy. 4000 Series polystyrene latex spheres range from 1 µm to 160 µm and are made from polystyrene (PS). PSL Spheres are used instead of irregularly shaped particles to minimize the laser response of analytical instruments that are sensitive to particle shape. Products from 1 to 160 µm are packaged as aqueous suspensions in 15 mL dropper-tipped bottles. Concentration is maintained at 1.05 grams per cm cubed. Each bottle of PSL spheres 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 (MSDS) with handling and disposal instructions is also available. Packages are lot-numbered for convenient technical service and support after the sale.
| PSL Spheres | 1 µm to 160 µm |
| Particle Composition | Polystyrene Latex, PSL Spheres |
| 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 amounts of surfactant |
| Suggested Storage Temp. | 2-8°C |
| Bottle Size and Volume | 15ml (A) Bottle |
PSL Spheres, 1um to 160um, 4000 Series |
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Product Part # |
Nominal Diameter |
Certified Mean Peak |
Std. Dev & CV |
Solids Content |
AP4009A |
1.0 μm |
0.994 μm ± 0.021 μm |
0.010 μm (1.0%) |
1.00% |
AP4010A |
1.0 μm |
1.034 μm ± 0.020 μm |
0.010 μm (1.0%) |
1.00% |
AP4011A |
1.1 μm |
1.101 μm ± 0.023 μm |
0.012 μm (1.1%) |
1.00% |
AP4013A |
1.3 μm |
1.361 μm ± 0.024 μm |
0.021 μm (1.5%) |
1.00% |
AP4016A |
1.6 μm |
1.587 μm ± 0.025 μm |
0.021 μm (1.3%) |
1.00% |
AP4018A |
1.8 μm |
1.745 μm ± 0.025 μm |
0.019 μm (1.1%) |
1.00% |
AP4202A |
2.0 μm |
1.998 μm ± 0.022 μm |
0.020 μm (1.0%) |
0.40% |
AP4025A |
2.5 μm |
2.504 μm ± 0.025 μm |
0.025 μm (1.0%) |
0.50% |
AP4203A |
3.0 μm |
3.005 μm ± 0.027 μm |
0.03 μm (1.1%) |
0.50% |
AP4204A |
4.0 μm |
4.000 μm ± 0.033 μm |
0.04 μm (1.0%) |
0.40% |
AP4205A |
5.0 μm |
5.003 μm ± 0.040 μm |
0.05 μm (1.0%) |
0.30% |
AP4206A |
6.0 μm |
5.990 μm ± 0.045 μm |
0.07 μm (1.2%) |
0.30% |
AP4207A |
7.0 μm |
6.982 μm ± 0.055 μm |
0.07 μm (1.0%) |
0.30% |
AP4208A |
8.0 μm |
7.979 μm ± 0.055 μm |
0.09 μm (1.1%) |
0.30% |
AP4209A |
9.0 μm |
8.956 μm ± 0.056 μm |
0.09 μm (1.0%) |
0.30% |
AP4210A |
10 μm |
10.00 μm ± 0.05 μm |
0.09 μm (0.9%) |
0.20% |
AP4212A |
12 μm |
12.01 μm ± 0.07 μm |
0.12 μm (1.0%) |
0.20% |
AP4215A |
15 μm |
15.02 μm ± 0.08 μm |
0.15 μm (1.0%) |
0.30% |
AP4220A |
20 μm |
19.99 μm ± 0.20 μm |
0.28 μm (1.4%) |
0.30% |
AP4225A |
25 µm |
24.61 µm ± 0.22 µm |
0.27 µm (1.1%) |
0.50% |
AP4230A |
30 μm |
30.10 μm ± 0.22 μm |
0.45 μm (1.5%) |
0.60% |
AP4240A |
40 μm |
39.82 μm ±0.32 μm |
0.44 μm (1.1%) |
0.70% |
AP4250A |
50 μm |
50.2 μm ± 0.7 μm |
0.5 μm (1.0%) |
0.40% |
AP4260A |
60 μm |
59.1 μm ± 0.9 μm |
0.9 μm (1.5%) |
0.20% |
AP4270A |
70 μm |
72.3 μm ± 0.9 μm |
0.9 μm (1.2%) |
0.20% |
AP4280A |
80 μm |
79.4 μm ± 1.0 μm |
0.9 μm (1.1%) |
0.70% |
AP4310A |
100 μm |
100 μm ± 1.5 μm |
1.5 μm (1.5%) |
0.10% |
AP4311A |
115 μm |
113 μm ± 1.6 μm |
1.6 μm (1.4%) |
0.60% |
AP4314A |
140 μm |
138 μm ± 2.0 μm |
.5 μm (1.8%) |
0.00% |
AP4316A |
160 μm |
158 μm ± 2.2 μm |
.5 μm (2.2%) |
0.80% |