The Big Problem of Small Particles: A Comparison of Methods for Determination of Particle Size in Nanocrystalline Anatase Powders
β Scribed by Weibel, A.; Bouchet, R.; Boulc', F.; Knauth, P.
- Book ID
- 120046999
- Publisher
- American Chemical Society
- Year
- 2005
- Tongue
- English
- Weight
- 345 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0897-4756
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π SIMILAR VOLUMES
## Abstract A modified Andreasen sedimentation method is described for the analysis of the DDT and carrier constituents of DDT dispersible powders. As an illustration of the use of the method, a 1% (w/v) aqueous suspension of the powder is sampled with a pipette at four different times from the co
mixed acids from the origiunl oil (77 g.) \rere dissolved in light petroleum nt 0" (wlieu 10.0 g. of resin scpsrnted) i t i d subsequeutly stcam-distilled (yielding 0.95 g. volatile mnterisl, cquir. 156 -1) prior to conversiou into nictliyl esters. Tliese were fairly rendily hydrogennted r r t 100"