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- W2375325764 abstract "A study on the spectrophotometric determination of Cr( VI) contained in inorganic pigment for electrical and electronic equipment,especially focused on influence of the processing parameters and interference factors in the extract and colorific process of Cr( VI) was performed. By the exclusion of the coexisting ions and optimizing several parameters such as pH,temperature,time and so on,the results indicated that the optimal test conditions were extraction time 120 min,extraction temperature 90 ~ 95 ℃,pH = 2 ± 0. 5,and chromogenic time 5 ~ 40 min. The calibration exhibited the linear relation in the low concentration range of 0 ~ 500 μg / L,the method was suitable for quantitatively analysis of the content of Cr( VI) in inorganic pigment for electrical and electronic equipment." @default.
- W2375325764 created "2016-06-24" @default.
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- W2375325764 date "2014-01-01" @default.
- W2375325764 modified "2023-09-25" @default.
- W2375325764 title "Study on Testing Methods of Hexavalent Chromium in Inorganic Pigment for Electrical and Electronic Equipment" @default.
- W2375325764 hasPublicationYear "2014" @default.
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