By syx_gf on Wednesday, August 4, 2004 - 05:57 pm:

What is the difference between those symbols?
Mr. Tom has explained in his 'Getting Started in HPLC" about:
RSD = SD/average
CV = %RSD = 100% x RSD
But USP told that RSD has % as the unit. It is same with %RSD? I do not understand.

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By David Blais on Thursday, August 5, 2004 - 08:46 am:

RSD = SD/average
%RSD = (SD/average) x 100