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Powder sampling
1School of Pharmacy and Chemistry, Liverpool John Moores University, UK.
Drug Development and Industrial Pharmacy
|April 3, 2002
Abstract:
The factors involved when sampling powder mixes have been reviewed. The various methods are evaluated (manual, automatic, and sub-sampling) and the errors incurred are discussed. Certain rules have been applied to various samplers and their suitability for powder mixtures are described. The spinning riffler is apparently the most suitable, while the use of sample thieves should be avoided due to error and bias.