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What does AA stand for?

AA stands for Acetic Anhydride

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 145 other meanings of AA in our Acronym Attic

Samples in periodicals archive:

Operational reporting data revealed that most acetic anhydride is diverted while passing through domestic channels of the producing country.
In the 2008 annual seizures report published by the European Commission's directorate-general for enterprise and industry, national authorities across the EU seized more than 270,000 kilograms of suspicious drug precursors, including 241 tonnes or 75% of the world's seizures of acetic anhydride (NOTE: SPELLING IS CORRECT), the main precursor for heroin.
These are: International Gases Company that produces 345,000 tonnes of carbon monoxide, International Acetyl Company that produces 460,000 tonnes of acetic acid and acetic anhydride, and International Vinyl Acetate Company that produces 330,000 tonnes of vinyl acetate monomer.
A statement from Interior Ministry said 1,000 kilos of hashish, 4750 kgs of ammonium chloride, 170 litres of acetic anhydride and 250 kilograms of other chemicals used in heroin processing were seized in Lakari village of Maarja district.