Venny Nur Avifa

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How can I Improve tailing factor for Benzoic acid, acetaminophen, and caffeine?

I am following usp method, at the development section was okay, and the system suitability was okay. But when it went for verification, the tailing did not meet specification (NMT 1.3). I already...

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Does anyone know what kind of crosslink that I have to put on my chitosan/zeolite membrane other than Glutaraldehyde?

I already use H2SO4 as a crosslinker but when I wash it with NaOH (before wash it again and soak with H2SO4), it becomes wreck and damage.

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