Separation of Aromatic Carboxylic Acids Using Quaternary Ammonium Salts on Reversed‐Phase HPLC. 2. Application for the Analysis of Loy Yang Coal Oxidation Products

By Kawamura Kunio  

Separation Science and Technology, Vol. 41, Iss. 4, 2006-01 ,pp. : 723-732

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Influence of pH and Diluent on the Ion‐Pair Solvent Extraction of Aromatic Carboxylic Acids Using Quaternary Ammonium Salts

By Kawamura Kunio   Takahashi Keiji   Okuwaki Akitsugu  

Separation Science and Technology, Vol. 41, Iss. 12, 2006-01 ,pp. : 2795-2806

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Extraction of Benzene and Naphthalene Carboxylic Acids Using Quaternary Ammonium Salts As a Model Study for the Separation of Coal Oxidation Products

By Kawamura Kunio   Nagano Hideki   Okuwaki Akitsugu  

Separation Science and Technology, Vol. 40, Iss. 13, 2005-01 ,pp. : 2761-2771

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Selection of Separation Conditions for HPLC and HPLC/MS of Aromatic Sulphonic Acids and Acid Azo Dyes

By Jandera P.  

Journal of Liquid Chromatography & Related Technologies, Vol. 30, Iss. 16, 2007-01 ,pp. : 2349-2367

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Selective Esterification of Aliphatic Carboxylic Acids in the Presence of Aromatic Carboxylic Acids Over Monoammonium Salt of 12‐Tungstophosphoric Acid

By Giri B.   Prabhavathi Devi B.   Gangadhar K.   Narasimha Rao K.   Lingaiah N.   Sai Prasad P.   Prasad R.  

Synthetic Communications, Vol. 36, Iss. 1, 2006-02 ,pp. : 7-11

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