New answers tagged pharmacology
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The symbol “w/w” is more often used in chemistry, whereas its equivalent “m/m” is favored in pharmaceutical industry.
For instance, European Pharmacopoeia in section 1.2. Other provisions applying to general
chapters and monographs suggests the following methods for expressing concentration [1, p. 4]:
Expression of content. In defining content, the ...
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“[M]ass is the amount of "matter" in an object (though "matter" may be difficult to define), whereas weight is the force exerted on an object by gravity.” (Wikipedia quoting [de Silva, G.M.S. (2002), Basic Metrology for ISO 9000 Certification, Butterworth-Heinemann, 214p.]
Well-known relationship:
$$
W = m \times g
$$
where W is weight, m ...
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You have many questions nested together. Whenever you have a mixture + identification of components in your mind, bring chromatography to your mind. You must be familiar with paper chromatography. Same idea, but applied to more sophisticated instruments.
When you have a completely unknown mixture, you start a so-called screening procedure with a high-...
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