Page 8 - Modern Derivatization Methods for Separation Sciences

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1.3. Derivatization for Environmental Contaminants 51
Kazuo Iwaki

1.3.1. Introduction 51

1.3.2. Environmental Samples 51

1.3.2.1. Gas Sample 51

1.3.2.2. Soil and Various Water Samples 53

1.3.3. Application 55

1.3.3.1. Aldehydes and Ketones in Air 55

1.3.3.2. Aliphatic Amines in Air 57

1.3.3.3. Residual Pesticides and Herbicides in Soil and Water 59

References 62

2. Reagent for UV-VIS Detection 63
Kiyoshi Zaitsu, Masaaki Kai and Kenji Hamase

2.1. Introduction 64

2.2. Label of Amines and Amino Acids (-NH , NH) 65
2

2.2.1. Nitrobenzenes 65

2.2.1.1. 1-Fluoro-2,4-dinitrobenzene (FDNB, 2,4-dinitro-1- 65
fluorobenzene, Sanger Reagent)

2.2.1.2. 4-Fluoro-3-nitrotrifluoromethylbenzene (4-fluoro-3- 66
nitrobenzotrifluoride) (FNBT)

2.2.1.3. 2,4,6-Trinitrobenzene-1-sulfonic Acid (TNBS) 67

2.2.1.4. Na-(2,4-Dinitro-5-fluorophenyl)-L-alanine amide 67
(FDAA, 1-Fluoro-2,4-dinitrophenyl-5-L-alanine amide,
Marfey's Reagent)

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