The mean particle diameter is the average particle diameter, calculated by summing the diameters of all particles in a sample and dividing by the total number of particles.
468096
Poly(tetrafluoroethylene)
powder, 35 μm particle size
Synonyme(s) :
Fluorinated polymer, Fluoropolymer, PTFE
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5 G
64.60 CHF
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226.00 CHF
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5 G
64.60 CHF
100 G
226.00 CHF
About This Item
Formule linéaire :
(CF2CF2)n
Numéro CAS:
Numéro MDL:
Code UNSPSC :
12162002
ID de substance PubChem :
Nomenclature NACRES :
NA.23
Produits recommandés
Forme
powder
Taille des particules
35 μm
Température de transition
Tm 321 °C
Densité
2.1 g/mL at 25 °C
Application(s)
battery manufacturing
Chaîne SMILES
F\C(F)=C(\F)F
InChI
1S/C2F4/c3-1(4)2(5)6
Clé InChI
BFKJFAAPBSQJPD-UHFFFAOYSA-N
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Catégories apparentées
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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What is the exact meaning of the mean particle diameter?
1 answer-
Helpful?
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Mean particle diameter가 35 μm라고 specification sheet에 적혀있는데, 이 기준이 정확히 무엇인지 궁금합니다. 각 particle이 직경 35 μm인 구와 동일한 부피를 가진 것일까요? 아니면, 2D 평면에서의 단면적이 직경 35 μm인 원과 동일한 것일까요? 감사합니다.
1 answer-
The size is determined by a dynamic light scattering technique. This method measures fluctuations in the intensity of scattered light from a sample, which are directly related to the Brownian motion of the particles. Smaller particles move faster, causing more rapid fluctuations in the scattered light. This allows for the calculation of their diffusion coefficient and subsequently their size using the Stokes-Einstein equation.
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