pda technical report 26

The greater the number of particles, that is, the higher the challenge density, the more likely it becomes that som e particles will escape capture. The physical characteristics are important from not only installation considerations, but because subtle differences can create bypass problems that could lead to process contamination. There still was a lack of efficient, large surface area, inexpensive membrane filters for use in large parenteral batc h production. Aseptic Processing Document 13 pages. We intend this.

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