REFERENCES
- Bendixen , O. R. , Andreasen , J. and Lauersen , J. K. 1994 . Advanced Off-gas Treatment Using the Topsoe WSA Process , Denmark : Haldor Tops⊘e A/S .
- 1990 . U.S. Federal Specifications, O-S-801E , Aberdeen Proving Ground, MD, , U.S.A. : U.S. Army Chemical Research, Development and Engineering Center .
- Ruzicka , J. and Hansen , E. H. 1988 . Flow Injection Analysis , New York, USA : John Wiley & Sons, Inc. . 2nd Edition
- Hilligs⊘e , B. and Hansen , E. H. 1997 . Fresenius' J. Anal. Chem. , 358 : 775
- Nielsen , S. and Hansen , E. H. in press . Anal. Chim. Acta ,
- Reis , B. F. , Jacintho , A. O. , Mortatti , J. , Krug , F. J. , Zagatto , E. A. G. , Bergamin , H. F. and Pessenda , L. C. R. 1981 . Anal. Chim. Acta , 123 : 221
- Fang , Z. L. 1995 . Flow Injection Atomic Absorption Spectrometry , New York, USA : John Wiley & Sons, Inc. .
- Karlberg , B. and Pacey , G. E. 1989 . Flow Injection Analysis. A Practical Guide , Elsevier Science Publishers BV .
- Fang , Z. L. , Welz , B. and Sperling , M. 1993 . Anal. Chem. , 65 : 1682
- Ruzicka , J. and Hansen , E. H. 1983 . Anal. Chim. Acta , 145 : 1
- J⊘rgensen , U. V. 1998 . Spectrophotometric Determination of nitrate and Nitrosyl in Concentrated Sulphuric Acid by Means of Flow Injection Analysis , M. Sc. Thesis Dept. Chem., Tech. U. Denmark .