Automated calibration by a single standard solution prepared in deionized water by flow programming eliminates the schlieren and salinity effects and is applied to the determination of phosphate in sea water of different salinities

Automated calibration by a single standard solution prepared in deionized water by flow programming eliminates the schlieren and salinity effects and is applied to the determination of phosphate in sea water of different salinities
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通过流程编程在去离子水中配制单一标准溶液进行自动校准,消除纹影和盐度影响,应用于不同盐度海水中磷酸盐的测定

DOI:
10.1016/j.talanta.2022.124041
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发表时间:
2023
期刊:
影响因子:
6.1
通讯作者:
Davis, M.
Davis, M.
中科院分区:
化学1区
文献类型:
--
作者:
Hatta, M.;Ruzicka, J.;Measures, C.;Davis, M.

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一种新的校准方法,基于单个标准溶液的自动稀释,结合了在批处理条件下对样品和试剂混合物的监测,即在流动池中捕获的均质溶液中处于平衡状态。该方法消除了纹影效应,并证明去离子水和海水中的反应速率没有差异。将该方法应用于海水中磷酸盐的测定,并通过标准物质的分析进行了验证。
A novel approach to calibration, based on automated dilution of a single standard solution, is combined with monitoring of the sample and reagent mixture under batch conditions, that is at equilibrium in a homogenous solution that has been arrested in a flow cell. This procedure eliminates the schlieren effect and demonstrates that there are no differences between reaction rates in deionized water and sea water. The method, based on flow programming, is applied to the determination of phosphate in sea water and is validated by analysis of certified reference materials.
DOI: 10.1016/s0003-2670(97)00371-1
发表时间: 1997-09
影响因子: 6.2
作者:
I. McKelvie;D. M. Peat;G. Matthews;P. Worsfold
通讯作者: I. McKelvie;D. M. Peat;G. Matthews;P. Worsfold
DOI: 10.1039/a705363k
发表时间: 1997
期刊: Analyst
影响因子: 4.2
作者:
Stefan Auflitsch;D. M. Peat;P. Worsfold;I. McKelvie
通讯作者: Stefan Auflitsch;D. M. Peat;P. Worsfold;I. McKelvie