کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11005759 | 1494851 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
High-throughput and precise measurement method for electrolytic conductivity in a higher conductivity range (10â¯Sâ¯mâ1 to 0.1â¯Sâ¯mâ1) by chromatography system with conductivity detector
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Electrolytic conductivity is one of the most common parameters to evaluate solution characteristics, and has been widely used in various fields. Conductivity meters require standard solutions with accurate electrolytic conductivities to be calibrated their geometrical cell constants; therefore, supplying large amounts of reliable electrolytic conductivity standard solutions is highly demanded. Rapid, high-throughput and precise calibration methods for the standard solutions are needed to make a large production. This paper describes a high-throughput calibration method for the standards in a higher conductivity range using a commercial ion chromatography system equipped with a common autosampler and a conductivity detector. The accuracy of the results was examined based on certified reference materials of electrolytic conductivity standardized by primary and secondary Jones-type cells. Existing calibrations with the cells were time-consuming, a few data in a day, and costly procedures. The present method enables to obtain hundreds calibration results in a day, and the expanded uncertainty ca. 0.5%. The comprehensive evaluation of the uncertainties for the presented method was carried out, resulting in the reliable measurement results and a high-efficient production of a large amount of the standards.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microchemical Journal - Volume 143, December 2018, Pages 312-318
Journal: Microchemical Journal - Volume 143, December 2018, Pages 312-318
نویسندگان
Toshiaki Asakai, Yoshiyasu Yamauchi, Toshihiro Suzuki,