Do We Speak the Same Language for Reference Particles in Microplastic Research?
Abstract
:1. Introduction
2. Materials and Methods
2.1. Material Selection and Characterization
2.2. Physical Particle Properties
3. Results and Discussion
3.1. Particle Density
3.2. Particle Size Distribution
3.3. Particle Shape
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Name | Type | Product Name | Manufacturer | Density (kg/m3) | Size (µm) | Price Range (USD/kg) | Order Quantity (kg) |
---|---|---|---|---|---|---|---|
RP1 | HDPE | Rowalit N100-20 | ROWAK AG | 956 | 0–120 * | 101–300 | 0.5 |
RP2 | HDPE | ET306010 | GOODFELLOW CORP. | 940 | 150 ** | 301–500 | 0.5 |
RP3 | LDPE | Rowalit H70 | ROWAK AG | 918 | 0–200 * | 101–300 | 0.5 |
RP4 | PA | Vestosint 2158 | EVONIK INDUSTRIES AG | 1016 | 21 ** | 0–100 | 20 |
RP5 | PET | ES306030 | GOODFELLOW CORP. | 1300–1400 | <300 *** | 301–500 | 0.5 |
RP6 | PET | ES306031 | GOODFELLOW CORP. | 1300–1400 | <300 *** | 301–500 | 0.5 |
RP7 | PP | Eltex P KS001PF | INEOS OLEFINS & POLYMERS EUROPE | 895 | 600 ** | - | 25 |
RP8 | PS | PrimeCast 101 | EOS GMBH | 700–850 | 80 ** | 0–100 | 2 |
RP9 | PUR | Rowalit 500-9H | ROWAK AG | 1190 | 0–90 * | 101–300 | 0.5 |
RP10 | PVC | CV316010 | GOODFELLOW CORP. | 1400 | <250 | 101–300 | 2 |
Name | Type | Density (kg/m3) | Particle Size Distribution (µm) | Shape * | ||||
---|---|---|---|---|---|---|---|---|
Dmin | D10 | D50 | D90 | Dmax | ||||
RP1 | HDPE | 951 | 9 | 61 | 104 | 167 | 241 | Irregular particles |
RP2 | HDPE | 950 | 40 | 70 | 118 | 196 | 320 | Irregular particles |
RP3 | LDPE | 916 | 62 | 117 | 203 | 343 | 520 | Irregular particles |
RP4 | PA | 1059 | 1 | 7 | 19.1 | 36 | 60 | Irregular particles |
RP5 | PET | 1402 | 10 | 73 | 155 | 288 | 450 | Irregular particles |
RP6 | PET | 1409 | 7 | 38 | 98 | 194 | 330 | Irregular particles |
RP7 | PP | 882 | 320 | 488 | 670 | 921 | 1450 | Irregular particles |
RP8 | PS | 1069 | 40 | 63 | 85 | 115 | 177 | Spheres |
RP9 | PUT | 1218 | 71 | 126 | 199 | 307 | 450 | Irregular particles |
RP10 | PVC | 1414 | 72 | 114 | 159 | 221 | 325 | Irregular particles |
Polynom * | R2 | RMSE |
---|---|---|
0.9282 | 10.17 | |
0.9882 | 4.146 | |
0.9928 | 3.206 | |
0.9991 | 1.184 | |
1.000 | 0.220 | |
1.000 | 0.184 |
Name | Average Particle Density (kg/m3) | Number of Measurements (−) | Standard Deviation (kg/m3) | Var. Coefficient (%) |
---|---|---|---|---|
RP1 | 951 | 7 | 0.1 | 0.0089 |
RP2 | 949.7 | 10 | 0.2 | 0.0209 |
RP3 | 915.5 | 9 | 0 | 0.0050 |
RP4 | 1058.5 | 12 | 0 | 0.0047 |
RP5 | 1401.6 | 10 | 0.3 | 0.0180 |
RP6 | 1408.7 | 10 | 0.5 | 0.0323 |
RP7 | 881.9 | 10 | 0.9 | 0.1025 |
RP8 | 1068.7 | 10 | 0.4 | 0.0407 |
RP9 | 1218.4 | 10 | 0.1 | 0.0099 |
RP10 | 1413.8 | 12 | 0.4 | 0.0303 |
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Senfter, T.; Walter, A.; Dür, L.; Alber, F.; Pillei, M. Do We Speak the Same Language for Reference Particles in Microplastic Research? Microplastics 2022, 1, 221-228. https://doi.org/10.3390/microplastics1010015
Senfter T, Walter A, Dür L, Alber F, Pillei M. Do We Speak the Same Language for Reference Particles in Microplastic Research? Microplastics. 2022; 1(1):221-228. https://doi.org/10.3390/microplastics1010015
Chicago/Turabian StyleSenfter, Thomas, Andreas Walter, Lukas Dür, Florian Alber, and Martin Pillei. 2022. "Do We Speak the Same Language for Reference Particles in Microplastic Research?" Microplastics 1, no. 1: 221-228. https://doi.org/10.3390/microplastics1010015