These micro particles are suspended in water and stabilized with an anionic surfactant. This product is intended for use as a standard. For analytical applications, the recommended diluent is water containing sodium dodecyl sulfate. Suitability for use in cell treatment applications would have to be determined experimentally by the end user. Please see the link below to review product LB1, an alternative polystyrene bead more commonly used in cell-based applications.
https://www.sigmaaldrich.com/product/sigma/lb1
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90517
Micro particle size standard based on polystyrene monodisperse
analytical standard, size: 0.1 μm
Synonim(y):
Monodisperse polystyrene latex particles (0.1 μm), monodisperse polystyrene microbeads (0.1 μm), monodisperse polystyrene microspheres (0.1 μm), polystyrene monodisperse microparticles (0.1 μm), Size standards
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| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
5 mL | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 982,00 zł |
10 mL | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1600,00 zł |
Informacje o tej pozycji
982,00 zł
Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności
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Pozwól nam pomócgrade
analytical standard
Quality Segment
form
aqueous suspension, particles
crosslinking
0 % cross-linked
concentration
2% (solids)
technique(s)
diffraction/scattering: suitable
particle size
0.1 μm std dev <0.03 μm
application(s)
cosmetics
environmental
food and beverages
pharma/biopharma processes
format
neat
storage temp.
2-8°C
General description
Monodisperse polystyrene based micro particles (size: 0.1 μm) are a particle size standard, ideal for characterizing particle size distribution (PSD) of test samples.
Application
Used to calibrate, qualify and monitor the performance of particle size analyzers, surface scanning instruments and particle counters.
Monodisperse polystyrene latex particles can also be used to:
Monodisperse polystyrene latex particles can also be used to:
- investigate their impact on freshwater algae
- study their influence on the toxicity of triphenyltin (TPT) to the marine diatom phytoplankton species
- profile their interaction with cyanobacteria in marine and freshwater environments
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- available in 5 mL and 10 mL pack sizes as neat samples
Analysis Note
For every lot exact values of particle size and standard deviation are determined with an accuracy of 0.001 μm. The size determination of these particles follows procedures described by National Institute of Standards and Technology (NIST, USA) respectively by the Community Bureau of Reference (BCR), esp.:
- Transmission electron microscopy (TEM)
- Scanning electron microscope
- Light microscopy
- Coulter™ counter with MDF-system
Legal Information
Coulter is a trademark of Beckman Coulter, Inc.
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Ta pozycja | |||
|---|---|---|---|
| description analytical standard, size: 0.1 μm | description analytical standard, size: 1.0 μm | description size: 0.2 μm | description analytical standard, size: 0.5 μm |
| particle size 0.1 μm std dev <0.03 μm | particle size 1.0 μm std dev <0.05 μm | particle size 0.2 μm std dev <0.03 μm | particle size 0.5 μm std dev <0.05 μm |
| format neat | format neat | format neat | format neat |
| technique(s) diffraction/scattering: suitable | technique(s) diffraction/scattering: suitable | technique(s) diffraction/scattering: suitable | technique(s) - |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| application(s) cosmetics | application(s) cosmetics | application(s) cosmetics | application(s) glass & ceramic |
| form aqueous suspension, particles | form particles, aqueous suspension | form aqueous suspension | form particles, aqueous suspension |
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Klasa składowania
10 - Combustible liquids
Co się dzieje?
WGK 3
Temperatura zapłonu (°F)
410.0 °F
Temperatura zapłonu (°C)
210 °C
PPE (środki ochrony indywidualnej)
Eyeshields, Gloves
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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.
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1. What solvent or suspension solution that contain in stock solution (20mg/ml)? 2. For cell treatment applications, what is the recommended method to prepare the working solution to minimize particle aggregation?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What is the composition/information on the ingredients of the aqueous suspension?
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The complete composition of this product is considered proprietary. However, this aqueous dispersion is stabilized by the addition of an anionic surfactant.
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If I would like dilute the concentration of this solution what solvent can I dilute it with?
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Product 90517 can be further diluted in water with added sodium dodecyl sulfate to prevent aggregation.
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What will be the amount of polystyrene in milligrams of 5 ml of .1 micrometer polystyrene solution
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This product is prepared as a 2 % suspension (2 g/100mL) of 0.1 µm polystyrene particles. The 5 mL package size will contain approximately 100 mg of the polystyrene particles.
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