Determination of the Cerium Content in Molybdenum Alloy by Direct Spectrophotometry with Tribromoarsenazo AITranslate
Abstract AITranslate
The chromogenic reaction between tribromoarsenazo and cerium was studied. The results show that cerium reacts with tribromoarsenazo to form a blue complex in the mixture solution of 0. 72 mol/L H2SO4 and 0.9 mol/L H3PO4. And the complex has an absorption maximum at 630 nm with an apparent molar absorptivity of 1.110^5 L/（mol · cm）. Beer＇s law is obeyed when the cerium content in 25 mL solu tion is in the range of 0-30 μg. The proposed method can be applied in direct determination of cerium con tent in molybdenum alloy with RSD of 1.07%-2.20% and standard addition recovery of 97%-101%.
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Basic Information:
DOI：
Chinese Library Classification Number:O657.32[理学—分析化学]
Citation Information:
The chromogenic reaction between tribromoarsenazo and cerium was studied. The results show that cerium reacts with tribromoarsenazo to form a blue complex in the mixture solution of 0. 72 mol/L H2SO4 and 0.9 mol/L H3PO4. And the complex has an absorption maximum at 630 nm with an apparent molar absorptivity of 1.110^5 L/（mol · cm）. Beer＇s law is obeyed when the cerium content in 25 mL solu tion is in the range of 0-30 μg. The proposed method can be applied in direct determination of cerium con tent in molybdenum alloy with RSD of 1.07%-2.20% and standard addition recovery of 97%-101%.
quote
| GB/T 7714-2015 | [1] YANG Hao-yi, LU Fan, ZHONG Guo-xiu. Determination of the Cerium Content in Molybdenum Alloy by Direct Spectrophotometry with Tribromoarsenazo[J]. Rare Metals and Cemented Carbides, 2011(3): 72-74. |
| MLA | [1] YANG Hao-yi, et al., "Determination of the Cerium Content in Molybdenum Alloy by Direct Spectrophotometry with Tribromoarsenazo." Rare Metals and Cemented Carbides, no. 3, 2011, pp. 72-74. |
| APA | [1] YANG Hao-yi, LU Fan, & ZHONG Guo-xiu. (2011). Determination of the Cerium Content in Molybdenum Alloy by Direct Spectrophotometry with Tribromoarsenazo. Rare Metals and Cemented Carbides(3), 72-74. |
| IEEE | [1] YANG Hao-yi, LU Fan, and ZHONG Guo-xiu, "Determination of the Cerium Content in Molybdenum Alloy by Direct Spectrophotometry with Tribromoarsenazo," Rare Metals and Cemented Carbides, no. 3, pp. 72-74, 2011. keywords: {tribromoarsenazo;cerium;molybdenum alloy;spectrophotometry} |