Lab Capabilities for Particle Analysis [top]
The Jet Pulverizer Company has numerous methods of particle sizing, the latest addition being a Horiba LA-960 laser sizing unit. Other methods include sieve testing, Fisher sub sieve sizer, optical microscope inspection, Scotts Biometric density meter and Tap density.
Key specs are:
- Horiba LA-960 – Laser diffraction particle size analyzer with wet and dry modules. (0.01µ to 3,000µ)
- Horiba LA-950 – Laser diffraction particle size analyzer with wet and dry modules. (0.01µ to 3,000µ)
- Cole-Parmer EW-48923-04 – Compound Digital Microscope with up to 1000x Magnification to share morphology results with clients
- Sieve Testing – Wet and dry screens from 6 to 500 mesh.
- Fisher Sub Sieve Sizer – 1µ to 25µ
- Bausch and Lomb Optical Microscope – 1X, 2.5X, 10X & 25X lenses (1µ to 1000µ).
- Scotts Biometric Density Meter – Cubic inch.
- Tap Density – Manual 100 ml graduated cylinder.
Reference Information [top]
| Table of Standard Sieves | ||||
| Microns | Inches | U.S. Standard ASTME 11-61 | British Standard BSS: 410-1989 | Tyler |
|---|---|---|---|---|
| 3360 | 0.1320 | 6 | 5 | 6 |
| 2830 | 0.1110 | 7 | 6 | 7 |
| 2380 | 0.0937 | 8 | 7 | 8 |
| 2000 | 0.0787 | 10 | 8 | 9 |
| 1680 | 0.0661 | 12 | 10 | 12 |
| 1410 | 0.5550 | 14 | 12 | 12 |
| 1190 | 0.4690 | 16 | 14 | 14 |
| 1000 | 0.0394 | 18 | 16 | 16 |
| 840 | 0.0331 | 20 | 18 | 20 |
| 707 | 0.2800 | 25 | 22 | 24 |
| 595 | 0.0232 | 30 | 25 | 28 |
| 500 | 0.0197 | 35 | 30 | 32 |
| 420 | 0.0165 | 40 | 36 | 35 |
| 354 | 0.0138 | 45 | 44 | 42 |
| 297 | 0.0117 | 50 | 52 | 48 |
| 250 | 0.0098 | 60 | 60 | 60 |
| 210 | 0.0083 | 70 | 72 | 65 |
| 177 | 0.0070 | 80 | 85 | 80 |
| 149 | 0.0059 | 100 | 100 | 100 |
| 125 | 0.0049 | 120 | 120 | 115 |
| 105 | 0.0041 | 140 | 150 | 150 |
| 88 | 0.0035 | 170 | 170 | 170 |
| 74 | 0.0029 | 200 | 200 | 200 |
| 63 | 0.0025 | 230 | 240 | 250 |
| 53 | 0.0021 | 270 | 300 | 270 |
| 44 | 0.0017 | 325 | 350 | 325 |
| 37 | 0.0015 | 400 | 400 | 400 |
| 32 | 0.0013 | 450 | 440 | 450 |
| 25 | 0.0010 | 500 | – | 500 |
| 20 | 0.0008 | 635 | – | 635 |
| 13 | 0.0005 | 1000 | – | 1000 |
| 10 | 0.0004 | – | – | 1250 |
| 5 | 0.0002 | – | – | 5000 |
| 1 | 0.00004 | 1 | – | 10000 |
| Table of Relative Sizes | ||
| Material | Approx. Size Limit | Size in Angstroms |
|---|---|---|
| Proton | 2 x 10-9 | 2 x-7 |
| Electron | 38 x19-7 nm | 3.8 x 10-6 |
| Cosmic Ray | 5 x 10-5 nm | 0.0005 |
| Shortest X-Rays | 0.006 nm | 0.06 |
| Diameter of Hydrogen Atom | 10.8 nn | 1.08 |
| Longest X-Rays | 8 nm | 80 |
| Colloidal Particles | 2 – 100 nm | 20 – 1,000 |
| Lower Limit of Microscopy | 100 nm | 1,000 |
| Wave-Length of Violet Light | 400 nm | 4,000 |
| Wave-Length of Red Light | 650 nm | 6,500 |
| Bacteria (cocci) | 2 µ | 20,000 |
| Red Blood Cells | 8 µ | 80,000 |
| White Blood Cells | 25 µ | 250,000 |
| Lower Limit of Vision (naked eye) | 40 µ | 400,000 |
| 325 Mesh Opening | 44 µ | 440,000 |
| Diameter of Human Hair | 50 µ | 500,000 |
| 100 Mesh Opening | 149 µ | 1,490,000 |
| Table of Equivalent Sizes | |||||||
| Unit | Meters | Inches | Millimeters | Microns | Nanometers | Angstroms | Picometers |
|---|---|---|---|---|---|---|---|
| Meter | 1 | 39.37 | 103 | 106 | 109 | 1010 | 1012 |
| Inch | 0.0254 | 1 | 25.4 | 25,500 | 2.54 x 107 | 2.54 x 108 | 2.54 x 1010 |
| Millimeters | 10-3 | 0.394 | 1 | 1000 | 10-6 | 10-7 | 10-10 |
| Microns | 10-6 | 3.94×10-5 | 10-3 | 1 | 1000 | 10,000 | 10-6 |
| Nanometers | 10-9 | 3.94×10-8 | 10-6 | 10-3 | 1 | 10 | 10,000 |
| Angstrom Units | 10-10 | 3.94×10-9 | 10-7 | 10-4 | 0.1 | 1 | 100 |
| Picometers | 10-12 | 3.94×10-11 | 10-9 | 10-6 | 10-3 | 0.01 | 1 |
