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Research on Determination of Trace Nitrate in Rare Earth Hydroxides by Spectrophotometry AITranslate

Hunan Rare Earth Metal Material Research Institute;Hunan Rare Earth Metal Material Research Institute;Hunan Rare Earth Metal Material Research Institute
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

Trace nitrate in rare earth hydroxides was determined by spectrophotometry with indigo carmine as the chromogenic reagent.The influence was investigated of different factors on nitrate determination,and the optimum analytical conditions were determined.When nitrate concentration is 0~1.0μg/mL,there is a linear relationship between color fading degree and nitrate content following Beer's law.The relative standard deviation of the measured nitrate content is 2.41%,and the standard addition recovery is 97.6%~101.3%.This method to determine trace nitrate in rare earth hydroxides is characterized by simple operation and accurate test results.

KeyWords AITranslate

rare earth hydroxide nitrate determination spectrophotometry indigo carmine

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Basic Information:

DOI:

Chinese Library Classification Number:TQ133.3[化学工程—无机化工];O657.3[理学—分析化学]

Citation Information:

Trace nitrate in rare earth hydroxides was determined by spectrophotometry with indigo carmine as the chromogenic reagent.The influence was investigated of different factors on nitrate determination,and the optimum analytical conditions were determined.When nitrate concentration is 0~1.0μg/mL,there is a linear relationship between color fading degree and nitrate content following Beer's law.The relative standard deviation of the measured nitrate content is 2.41%,and the standard addition recovery is 97.6%~101.3%.This method to determine trace nitrate in rare earth hydroxides is characterized by simple operation and accurate test results.

quote

GB/T 7714-2015 [1] YI Shi, LIU Rong-li, ZOU Long. Research on Determination of Trace Nitrate in Rare Earth Hydroxides by Spectrophotometry[J]. Rare Metals and Cemented Carbides, 2015(5): 72-74.
MLA [1] YI Shi, et al., "Research on Determination of Trace Nitrate in Rare Earth Hydroxides by Spectrophotometry." Rare Metals and Cemented Carbides, no. 5, 2015, pp. 72-74.
APA [1] YI Shi, LIU Rong-li, & ZOU Long. (2015). Research on Determination of Trace Nitrate in Rare Earth Hydroxides by Spectrophotometry. Rare Metals and Cemented Carbides(5), 72-74.
IEEE [1] YI Shi, LIU Rong-li, and ZOU Long, "Research on Determination of Trace Nitrate in Rare Earth Hydroxides by Spectrophotometry," Rare Metals and Cemented Carbides, no. 5, pp. 72-74, 2015. keywords: {rare earth hydroxide;nitrate determination;spectrophotometry;indigo carmine}