Dual-wavelength spectrophotometry: Part III. Determination of arsenazo I in arsenazo III |
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| Authors: | Shozo ShibataKazuo Goto Yoshio Ishiguro |
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| Affiliation: | Government Industrial Research Institute. Nagoya Kita-ku. NagoyaJapan |
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| Abstract: | A simple rapid spectrophotometric method for the determination of arsenazo I in the presence of large amounts or arsenazo III by means or a dual-wavelength method is discussed. By proper selection of the combination of two wavelengths, γ1 = 502.0 nm and γ2 = 575.3 nm, arsenazo III can be masked instrumentally even when its concentration varies. By this method about 0.5– 40%of arsenazo I in arscnazo III can be determined very easily and accurately. |
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