About MARSHALL G L
About PE MOD, London
About Organic Mass Spectrometry
About zinc compound
About acetate(salt)
About Aliphatic carboxylic acids,peroxycarboxylic acids,thiocarboxylic acids
About Mass spectra of molecules
About Physical analysis of organic compounds
About 亜鉛
About マグネシウム
About コバルト
About マンガン
About 酢酸塩
About 電子衝撃質量分析