Pretreatment method and pretreatment system for detecting radium content in liquid
The invention relates to a pretreatment method for detecting radium content in liquid, which comprises the following steps: measuring the hardness of a liquid sample to be detected, feeding back a measurement result X to a central control unit, calculating the dosage V of EDTA-2Na required to be add...
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Format | Patent |
Language | Chinese English |
Published |
01.03.2022
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Abstract | The invention relates to a pretreatment method for detecting radium content in liquid, which comprises the following steps: measuring the hardness of a liquid sample to be detected, feeding back a measurement result X to a central control unit, calculating the dosage V of EDTA-2Na required to be added according to a pre-stored dosage calculation formula of EDTA-2Na, heating and stirring the liquid sample to be detected, and calculating the radium content of the liquid sample to be detected according to the dosage V of the EDTA-2Na required to be added. Sequentially adding a predetermined amount of barium chloride solution and sulfuric acid solution into the sample; standing the tested sample to obtain barium sulfate radium precipitate, removing supernate, leaving a small amount of tested sample and precipitate, adding an EDTA-2Na solution with the dosage of V into the tested sample and precipitate, and heating until the precipitate is completely dissolved; according to the pretreatment method for detecting th |
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AbstractList | The invention relates to a pretreatment method for detecting radium content in liquid, which comprises the following steps: measuring the hardness of a liquid sample to be detected, feeding back a measurement result X to a central control unit, calculating the dosage V of EDTA-2Na required to be added according to a pre-stored dosage calculation formula of EDTA-2Na, heating and stirring the liquid sample to be detected, and calculating the radium content of the liquid sample to be detected according to the dosage V of the EDTA-2Na required to be added. Sequentially adding a predetermined amount of barium chloride solution and sulfuric acid solution into the sample; standing the tested sample to obtain barium sulfate radium precipitate, removing supernate, leaving a small amount of tested sample and precipitate, adding an EDTA-2Na solution with the dosage of V into the tested sample and precipitate, and heating until the precipitate is completely dissolved; according to the pretreatment method for detecting th |
Author | BIAN BAOLI LI QING CAO RUI ZHENG RUNWU HUANG ZHENPENG LI DAN LI JUAN WANG HONGLU FU FAMING ZHANG YUZHEN LYU HONGZHEN WANG HONGWEI CHEN SHIHENG XIE LINGTAO WANG HAI |
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DocumentTitleAlternate | 一种液体中镭含量检测预处理方法及预处理系统 |
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Snippet | The invention relates to a pretreatment method for detecting radium content in liquid, which comprises the following steps: measuring the hardness of a liquid... |
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Title | Pretreatment method and pretreatment system for detecting radium content in liquid |
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