SEM/AVS means Simultaneously-Extracted Metals/Acid Volatile Sulfide in
Chemistry
Similar to SEM/AVS
3FDA - 2,2-Bis
3,4-Dicarboxyphenyl Hexafluoropropane Dianhydride
A - Atom
A - Argon
A/CNK - Al2O3/
CaO + Na2O + K2O Shands Index
AA - Acetic Acid
AA - Amino Acrylate
AA - Arachidonic Acid
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