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RISS
Copper(Ⅱ) reacts rapidly with chromazurol S(CAS) (3"-sulpho-2", 6"-dichloro-3, 3'-dimethyl-4'-hydroxyfuchson-5, 5' dicarboxylic acid, sodium salt) in water-ethanol solution at pH 6.7 to form a blue solution of a 1:1 complex having abo...
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RISS 인기검색어
구리- Chromazurol S 錯物形成과 구리의 吸光光度定量 = Formation of Copper(Ⅱ) Chromazurol S Complex and Application to the Spectro-photometric Determination of Copper(Ⅱ)
한글로보기https://www.riss.kr/link?id=A19626819
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1975
-
작성언어
Korean
-
KDC
430.000
-
자료형태
학술저널
-
수록면
111-122(12쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
Copper(Ⅱ) reacts rapidly with chromazurol S(CAS) (3"-sulpho-2", 6"-dichloro-3, 3'-dimethyl-4'-hydroxyfuchson-5, 5' dicarboxylic acid, sodium salt) in water-ethanol solution at pH 6.7 to form a blue solution of a 1:1 complex having abosorption peak at 590nm, The copper(Ⅱ)-CAS complex is stable for at least twelve hours. The system conforms to Beer's law. Optimum range for 1.00cm optical path is 1×10 exp (-6) to 1.3×10 exp (-5)M of copper(Ⅱ).
The order of the additin of reagents has no effect upon the absorbance. The molar absorptivity at 590nm is 3.0×10 exp (4)liter mole^-1 cm^-1 and the sensitivity which give the absorbance of 0.001 is 0.0021 ug cm^-2.
Among twelve kinds of metal ions only Sn(Ⅱ)and Bi(Ⅱ) ions seriously interfered with the determination.
The composition ratio and the formation constant of the copper(Ⅱ)-chromazurol S complex have been evaluated from spectrophotometric data.
The order of the additin of reagents has no effect upon the absorbance. The molar absorptivity at 590nm is 3.0×10 exp (4)liter mole^-1 cm^-1 and the sensitivity which give the absorbance of 0.001 is 0.0021 ug cm^-2.
Among twelve kinds of metal ions only Sn(Ⅱ)and Bi(Ⅱ) ions seriously interfered with the determination.
The composition ratio and the formation constant of the copper(Ⅱ)-chromazurol S complex have been evaluated from spectrophotometric data.
Copper(Ⅱ) reacts rapidly with chromazurol S(CAS) (3"-sulpho-2", 6"-dichloro-3, 3'-dimethyl-4'-hydroxyfuchson-5, 5' dicarboxylic acid, sodium salt) in water-ethanol solution at pH 6.7 to form a blue solution of a 1:1 complex having abosorption peak at 590nm, The copper(Ⅱ)-CAS complex is stable for at least twelve hours. The system conforms to Beer's law. Optimum range for 1.00cm optical path is 1×10 exp (-6) to 1.3×10 exp (-5)M of copper(Ⅱ).
The order of the additin of reagents has no effect upon the absorbance. The molar absorptivity at 590nm is 3.0×10 exp (4)liter mole^-1 cm^-1 and the sensitivity which give the absorbance of 0.001 is 0.0021 ug cm^-2.
Among twelve kinds of metal ions only Sn(Ⅱ)and Bi(Ⅱ) ions seriously interfered with the determination.
The composition ratio and the formation constant of the copper(Ⅱ)-chromazurol S complex have been evaluated from spectrophotometric data.
동일학술지(권/호) 다른 논문
-
- 全北大學校 文理科大學
- So, Kwang-Ho
- 1975
-
- 全北大學校 文理科大學
- 이희균
- 1975
-
- 全北大學校 文理科大學
- 이은환
- 1975
-
- 全北大學校 文理科大學
- 서정타
- 1975
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