00555nam a22001817a 4500 116676 116675 OSt 20260706112940.0 201022b ||||| |||| 00| 0 eng d 9788131756874 547:543.062 VOG Vogel,Arthur I 331 Elementary practical organic chemistry: Qualitative Organic Analysis,part 2 by Arthur I Vogel 2ed. Newdelhi Pearson 2011 431p. Solubility classes Preparations of derivatives Class reactions ddc BK