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The mole was promoted to the status of "unit" in 1971 The 14th Conférence Générale des Poids et Mesures (CGPM), considering the advice of the International Union of Pure and Applied Physics, of the International Union of Pure and Applied Chemistry, and of the International Organization for Standardization, concerning the need to define a unit of ...


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The symbol mol is due to Ostwald who was a very influential and respected physical chemist more than a century ago. In German, "mole" is "Mol". It is a shortform of Molekül. I believe the Internet Archive has an English translation of his historically famous book of 19th century. This is where I recall reading this. The original reference ...


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I was able to reach the manufacturer and ask her directly. USPXX is the "edition" of the US Pharmacopeia's "exams" that a product must pass in order to be considered pharmaceutical grade. As time goes on, these exams may get updated and improved. So a higher number USPXX means that a product passed a more recent (and likely, more ...


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