The product 73371 - 4 µm PMMA microparticles in deionized water contains no additives. The sulfate peak found is expected as it is due to sulfate groups in the polymer surface that come from the initiator in the polymerization reaction.
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73371
Micro particles based on polymethacrylate
analytical standard, size: 4 μm
Synonim(y):
PMMA microbeads, PMMA microspheres, 2-Propenoic acid,2-methyl homopolymer, 2-methyl-2-propenoic acid homopolymer, Microparticles based on PMAA, Microparticles based on poly(methacrylic acid), Polymethacrylate
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| Do Państwa/SKU | Dostępność | Cena netto |
|---|---|---|
5 mL | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1050,00 zł |
Informacje o tej pozycji
1050,00 zł
Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności
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Pozwól nam pomócgrade
analytical standard
Quality Segment
form
particles, suspension
concentration
10% (solids)
technique(s)
diffraction/scattering: suitable
particle size
4 μm std dev <0.15 μm, coeff var <3%
application(s)
cosmetics
environmental
food and beverages
pharmaceutical
format
neat
storage temp.
2-8°C
General description
Polymethacrylate-based microparticles are a size standard, ideal to identify the particle size distribution (PSD) profile of test samples.
The particle size of 4 μm is measured using Coulter Multisizer.
The particle size of 4 μm is measured using Coulter Multisizer.
Application
Used to qualify and check particle size equipment.
Also used to:
Also used to:
- form self-assembled colloid structures for studying fluid dynamics of colloid mobility near a solid surface
- fabricate polyelectrolyte-modified beads as an alternate option for conventional pretreatment process of electroless plating
- validate microfluidic device for density- and size-based microparticle separation
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- traceable to Community Bureau of Reference (BCR) standards
- available in 5 mL pack size as a neat sample
Analysis Note
The exact values for particle size and standard deviation are determined for each lot and may be found on the certificate of analysis. These values are determined with an accuracy of 0.01 μm (Coulter Multisizer). Polymethacrylate based particles have a narrow size distribution and spherical shape. They are stable at temperatures of up to 100 °C Density is 1.22 g/cm3. The surface is negatively charged. Good biocompatibility and reduced nonspecific protein binding are characteristic.
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Ta pozycja | |||
|---|---|---|---|
| technique(s) diffraction/scattering: suitable | technique(s) - | technique(s) diffraction/scattering: suitable | technique(s) diffraction/scattering: suitable |
| application(s) cosmetics | application(s) - | application(s) cosmetics | application(s) environmental |
| form particles, suspension | form particles, suspension | form particles, suspension | form particles, suspension |
| format neat | format neat | format neat | format neat |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
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Klasa składowania
12 - Non Combustible Liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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Is it normal to obtain a sulfate peak from product 73371, or could it be a form of contamination?
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