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JP plate count

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JP plate count

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chromochat
what is JP Plate Count formula?
what plate count is safe to use to comply with FDA regulation? USP? EP?

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laserman
[quote]what is JP Plate Count formula?

USP
N=16(tr/W)^2

JP and EP
N=5.54(tr/W0.5)^2
W0.5=full width at half maximum

Re: JP plate count

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chromochat
thanks laserman!
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