REFERENCES
- Villarreal , R. and Barker , S. A. 1969 . Anal.Chem , 41 : 611
- Hashitani , H. and Adachi , T. 1975 . Bunseki Kagaku , 24 : 303
- Marczenko , Z. 1986 . Separation and Spectrophotometric Determination of Elements 403 Ellis Horwood Limited Publishers Chichester .
- Inoue , S. , Takahashi , T. , Hoshi , S. and Matsubara , M. 1988 . Bunseki Kagaku , 37 : 316
- 1975 . Muki Oyo Hisyoku Bunseki 4 2 kyoritu syuppan . Edited by editorial committee of Muki Oyo Hisyoku Bunseki