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Powder Flow: Batch Variability in spray coating Applications Tim Freeman
March 08, 2019
In spray coating applications, a fine powder, typically a polymer, is drawn from a storage device before being fluidised and ejected through a charged nozzle onto a substrate.
Powder Flow: Developing a Design Space for a Die Filling Operation Tim Freeman
February 19, 2019
Filling is a common operation across all industries, although fill weights and tolerances vary widely.
Powder Flow: Powder characterization for formulators Tim Freeman
November 30, 2018
Accelerating product development through formulation into successful manufacture and on to the market place, is an important goal for the pharmaceutical industry.
Powder Flow: Powder characterization for process designers and engineers Tim Freeman
November 15, 2018
For process designers specifying new plant, the goal is to engineer equipment that will process and handle powders consistently and efficiently, as defined by the design brief.
Powder Flow: Powder characterization for equipment manufacturers Tim Freeman
October 22, 2018
Equipment manufacturers share with process engineers the task of specifying plant for optimal performance. For processes
Powder Flow: Powder characterization for modern manufacturing Tim Freeman
October 08, 2018
In this series I’ve been looking at traditional powder testing techniques, tapped density methods for example and shear analysis, to see how they fit with today’s powder processing needs.
Powder Flow: Tools for Powder Characterization Tim Freeman
August 15, 2018
The potential benefits of Quality by Design, the approach enshrined in ICH Q8 - Pharmaceutical Development, include greater flexibility with respect to regulation, enhanced process efficiency and better product understanding.
Powder Flow: Evaluating the Powder Testing Toolkit: Shear Testing Tim Freeman
June 29, 2018
In this series of editorials I’m looking at how well the traditional powder testing toolkit meets the requirements of today’s powder processors. In the last editorial I put tapped density methods under the spotlight; and now it’s time to consider shear te
Powder Flow: Powder Characterization Techniques for Hopper Design Tim Freeman
April 28, 2018
In coming editorials, I plan to take a look at some of the broadest issues surrounding powder characterization in the pharmaceutical industry.
Powder Flow: Powder Characterization Techniques for Wet Granulation Applications Tim Freeman
March 09, 2018
Wet granulation is a routine unit operation within the pharmaceutical industry, and a common precursor to tableting.

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