Article(id=1147999678978847538, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999670040781819, articleNumber=1000-8063(2024)03-0056-07, orderNo=null, doi=10.13426/j.cnki.yky.2023.12.09, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1703088000000, receivedDateStr=2023-12-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1751634052271, onlineDateStr=2025-07-04, pubDate=1724083200000, pubDateStr=2024-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751634052271, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751634052271, creator=13701087609, updateTime=1751634052271, updator=13701087609, issue=Issue{id=1147999670040781819, tenantId=1146029695717560320, journalId=1146123346816638986, year='2024', volume='43', issue='3', pageStart='1', pageEnd='130', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751634050139, creator=13701087609, updateTime=1759123774979, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1179413852954440623, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999670040781819, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1179413852954440624, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999670040781819, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=56, endPage=62, ext={EN=ArticleExt(id=1147999679335363410, articleId=1147999678978847538, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Continuous Measurement Method of Acid and Uranium in the Raffinate Phase, columnId=1175805041752556213, journalTitle=Uranium Mining and Metallurgy, columnName=MINING AND HYDROMETALLURGY, runingTitle=null, highlight=null, articleAbstract=
Acid concentration and uranium concentration in raffinate phase generally need to be measured separately, which is cumbersome and requires a large amount of work. A new method for continuous measurement of acid concentration and uranium concentration in raffinate phase was developed. A strong base was used as titration agent, the color change of the indicator was selected to indicate the titration endpoint. After completing the acid concentration detection, the sulfuric acid and arsenazo III solutions with a certain amount and concentration were added to the above solution to make the solution color, and the absorbance of the color solution was measured at 650 nm. The results show that the precision of measuring acid concentration and uranium concentration is 1.53% and 1.13% respectively, the indication error for measuring acid concentration and uranium concentration is 1.69% and 1.52% respectively. For the measurement of actual water samples, the measurement data of this method is basically consistent with that of the laboratory current methods, the recovery rate of acid concentration measurement is between 97.0% and 102.5%, and the recovery rate of uranium concentration measurement is between 97.0% and 102.0%. The method is suitable for continuous monitoring of acid concentration and uranium concentration in raffinate phase and has accurate and fast characteristics.
, correspAuthors=Qiang CHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Qiang CHEN, Yanxia DONG, Huiyan ZHANG, Yang WANG, Fuping CHEN), CN=ArticleExt(id=1147999681692561479, articleId=1147999678978847538, tenantId=1146029695717560320, journalId=1146123346816638986, language=CN, title=萃余水相中酸和铀的连续测量方法, columnId=1175805041991631542, journalTitle=铀矿冶, columnName=开采·选冶, runingTitle=null, highlight=null, articleAbstract=
萃余水相中的酸浓度、铀浓度一般需分开检测,操作步骤繁琐,工作量大。本研究建立了连续测量萃余水相中酸浓度和铀浓度的新方法:先以强碱为滴定剂,通过指示剂的变色指示滴定终点,检测酸浓度;再加入硫酸和偶氮胂Ⅲ溶液,使溶液显色,在650 nm处测量显色溶液的吸光度。结果显示,酸浓度测量的精密度为1.53%,示值误差为1.69%;铀质量浓度测量精密度为1.13%,示值误差为1.52%。在实际水样测量中,本方法和实验室现行方法测量数据基本一致,酸浓度测量的加标回收率为97.0%~102.5%,铀质量浓度测量的加标回收率为97.0%~102.0%,本方法可准确、快速、连续监测萃余水相中的酸浓度和铀浓度。
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陈强(1981—),男,江西南昌人,硕士,正高级工程师,主要研究方向为水质分析方法、环保水质分析仪器和铀矿冶专用水质分析仪器。
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陈强(1981—),男,江西南昌人,硕士,正高级工程师,主要研究方向为水质分析方法、环保水质分析仪器和铀矿冶专用水质分析仪器。
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陈强(1981—),男,江西南昌人,硕士,正高级工程师,主要研究方向为水质分析方法、环保水质分析仪器和铀矿冶专用水质分析仪器。
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2021., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1179491151229890630, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, xref=null, ext=[AuthorCompanyExt(id=1179491151238279239, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, companyId=1179491151229890630, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China), AuthorCompanyExt(id=1179491151246667848, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, companyId=1179491151229890630, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=核工业北京化工冶金研究院, 北京 101149)])], figs=[ArticleFig(id=1179491153377374344, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Fig. 1, caption=
Absorbance curves of uranium solutions with different concentrations, figureFileSmall=m5orNSQWgcvHsBPuwKFsnw==, figureFileBig=kFwKiRwjP3ykev3uzuopjw==, tableContent=null), ArticleFig(id=1179491153444483210, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=图1, caption=
不同浓度铀溶液吸光度曲线, figureFileSmall=m5orNSQWgcvHsBPuwKFsnw==, figureFileBig=kFwKiRwjP3ykev3uzuopjw==, tableContent=null), ArticleFig(id=1179491153503203468, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Fig. 2, caption=
Influence of sulfuric acid concentration on absorbance, figureFileSmall=4oBCWq/ELn/dIC7+y7lTjQ==, figureFileBig=tPxaZhUGZ5/uZ2s9XJuUpQ==, tableContent=null), ArticleFig(id=1179491153553535118, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=图2, caption=
硫酸浓度对吸光度的影响, figureFileSmall=4oBCWq/ELn/dIC7+y7lTjQ==, figureFileBig=tPxaZhUGZ5/uZ2s9XJuUpQ==, tableContent=null), ArticleFig(id=1179491153612255376, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Fig. 3, caption=
Effect of arsenazo III concentration on uranium solution color, figureFileSmall=HEnPy9nyj9aF+N4SX6msgw==, figureFileBig=JSa52KbqHv2vCS0UnHb1MA==, tableContent=null), ArticleFig(id=1179491153691947154, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=图3, caption=
偶氮胂Ⅲ浓度对铀溶液显色的影响, figureFileSmall=HEnPy9nyj9aF+N4SX6msgw==, figureFileBig=JSa52KbqHv2vCS0UnHb1MA==, tableContent=null), ArticleFig(id=1179491153759056020, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Fig. 4, caption=
Effect of color development time on absorbance, figureFileSmall=vfpmB7TU8hE+WPopQWbWqQ==, figureFileBig=tzY2/hAJz66yWOytyH1fBg==, tableContent=null), ArticleFig(id=1179491153809387670, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=图4, caption=
显色时间对吸光度的影响, figureFileSmall=vfpmB7TU8hE+WPopQWbWqQ==, figureFileBig=tzY2/hAJz66yWOytyH1fBg==, tableContent=null), ArticleFig(id=1179491153863913624, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Fig. 5, caption=
Working curve of uranium concentration, figureFileSmall=Hhldi+ClgOezjAHbKAHSXg==, figureFileBig=oIxa2zzVx+s7KUNAC6GmwA==, tableContent=null), ArticleFig(id=1179491153931022490, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=图5, caption=
铀浓度工作曲线, figureFileSmall=Hhldi+ClgOezjAHbKAHSXg==, figureFileBig=oIxa2zzVx+s7KUNAC6GmwA==, tableContent=null), ArticleFig(id=1179491153989742747, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 1, caption=
Analysis results of water quality for raffinate phasemg/L
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ti | Mo | V | Ca | Mg | Fe | B | As | Zr |
| 7.6 | 74.1 | 2.7 | 384.7 | 51.4 | 204.9 | 7.1 | 4.4 | 13.8 |
| K | Na | Cu | Sb | W | Cr | Pb | Bi | |
| 54.5 | 5 930 | 1.2 | 0.6 | 0.8 | 3.2 | 0.8 | 0.2 | |
), ArticleFig(id=1179491154069434524, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表1, caption=
萃余水相水质分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ti | Mo | V | Ca | Mg | Fe | B | As | Zr |
| 7.6 | 74.1 | 2.7 | 384.7 | 51.4 | 204.9 | 7.1 | 4.4 | 13.8 |
| K | Na | Cu | Sb | W | Cr | Pb | Bi | |
| 54.5 | 5 930 | 1.2 | 0.6 | 0.8 | 3.2 | 0.8 | 0.2 | |
), ArticleFig(id=1179491154144931997, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 2, caption=
Results of phenolphthalein indicator dosage
, figureFileSmall=null, figureFileBig=null, tableContent=
酚酞指示剂 用量/mL | 消耗氢氧化钠标准溶液 体积/mL | 盐酸标准溶液 测定浓度/(mol/L) | 酚酞指示剂 用量/mL | 消耗氢氧化钠标准溶液 体积/mL | 盐酸标准溶液 测定浓度/(mol/L) |
| 0.02 | 39.65 | 0.104 2 | 0.16 | 39.37 | 0.103 4 |
| 0.04 | 39.55 | 0.103 9 | 0.18 | 39.35 | 0.103 4 |
| 0.06 | 39.47 | 0.103 7 | 0.20 | 39.34 | 0.103 4 |
| 0.08 | 39.45 | 0.103 6 | 0.22 | 39.32 | 0.103 3 |
| 0.10 | 39.46 | 0.103 7 | 0.24 | 39.31 | 0.103 3 |
| 0.12 | 39.44 | 0.103 6 | 0.26 | 39.32 | 0.103 3 |
| 0.14 | 39.40 | 0.103 5 | | | |
), ArticleFig(id=1179491154207846558, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表2, caption=
酚酞指示剂用量试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
酚酞指示剂 用量/mL | 消耗氢氧化钠标准溶液 体积/mL | 盐酸标准溶液 测定浓度/(mol/L) | 酚酞指示剂 用量/mL | 消耗氢氧化钠标准溶液 体积/mL | 盐酸标准溶液 测定浓度/(mol/L) |
| 0.02 | 39.65 | 0.104 2 | 0.16 | 39.37 | 0.103 4 |
| 0.04 | 39.55 | 0.103 9 | 0.18 | 39.35 | 0.103 4 |
| 0.06 | 39.47 | 0.103 7 | 0.20 | 39.34 | 0.103 4 |
| 0.08 | 39.45 | 0.103 6 | 0.22 | 39.32 | 0.103 3 |
| 0.10 | 39.46 | 0.103 7 | 0.24 | 39.31 | 0.103 3 |
| 0.12 | 39.44 | 0.103 6 | 0.26 | 39.32 | 0.103 3 |
| 0.14 | 39.40 | 0.103 5 | | | |
), ArticleFig(id=1179491154291732639, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 3, caption=
Precision test results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标 | 测量数据 | 平均值 | 标准偏差 | 相对标准偏差① |
| 酸浓度/(mol/L) | 1.97 | 2.00 | 2.03 | 2.05 | 2.05 | 1.99 | 2.03 | 2.02 | 0.031 | 1.53 |
| 铀质量浓度/(mg/L) | 15.60 | 15.50 | 15.90 | 15.90 | 15.50 | 15.60 | 15.80 | 15.70 | 0.180 | 1.13 |
), ArticleFig(id=1179491154358841504, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表3, caption=
精密度试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标 | 测量数据 | 平均值 | 标准偏差 | 相对标准偏差① |
| 酸浓度/(mol/L) | 1.97 | 2.00 | 2.03 | 2.05 | 2.05 | 1.99 | 2.03 | 2.02 | 0.031 | 1.53 |
| 铀质量浓度/(mg/L) | 15.60 | 15.50 | 15.90 | 15.90 | 15.50 | 15.60 | 15.80 | 15.70 | 0.180 | 1.13 |
), ArticleFig(id=1179491154446921889, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 4, caption=
Results of value error
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 溶液1 | 溶液2 | 溶液3 | 溶液4 |
酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) |
| 标准溶液浓度 | 1.20 | 20.0 | 1.80 | 15.0 | 2.40 | 20.0 | 3.60 | 15.0 |
| 第1次测量值 | 1.18 | 19.6 | 1.81 | 15.2 | 2.36 | 20.1 | 3.65 | 14.8 |
| 第2次测量值 | 1.17 | 19.8 | 1.83 | 15.1 | 2.38 | 20.3 | 3.65 | 14.6 |
| 第3次测量值 | 1.18 | 19.8 | 1.84 | 15.1 | 2.36 | 20.3 | 3.64 | 14.8 |
| 第4次测量值 | 1.16 | 19.7 | 1.84 | 15.2 | 2.35 | 20.5 | 3.64 | 14.9 |
| 第5次测量值 | 1.20 | 19.6 | 1.83 | 15.3 | 2.39 | 20.5 | 3.61 | 14.9 |
| 第6次测量值 | 1.18 | 19.8 | 1.82 | 15.1 | 2.38 | 20.2 | 3.65 | 14.8 |
| 平均值 | 1.18 | 19.7 | 1.83 | 15.1 | 2.37 | 20.3 | 3.64 | 14.8 |
| 与标准值差值 | -0.02 | -0.3 | 0.03 | 0.1 | -0.03 | 0.3 | 0.04 | -0.2 |
| 相对误差/% | 1.69 | 1.52 | 1.64 | 0.66 | 1.26 | 1.48 | 1.10 | 1.35 |
), ArticleFig(id=1179491154551779490, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表4, caption=
示值误差试验结果
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| 项目 | 溶液1 | 溶液2 | 溶液3 | 溶液4 |
酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) | 酸浓度/ (mol/L) | 铀质量浓度/ (mg/L) |
| 标准溶液浓度 | 1.20 | 20.0 | 1.80 | 15.0 | 2.40 | 20.0 | 3.60 | 15.0 |
| 第1次测量值 | 1.18 | 19.6 | 1.81 | 15.2 | 2.36 | 20.1 | 3.65 | 14.8 |
| 第2次测量值 | 1.17 | 19.8 | 1.83 | 15.1 | 2.38 | 20.3 | 3.65 | 14.6 |
| 第3次测量值 | 1.18 | 19.8 | 1.84 | 15.1 | 2.36 | 20.3 | 3.64 | 14.8 |
| 第4次测量值 | 1.16 | 19.7 | 1.84 | 15.2 | 2.35 | 20.5 | 3.64 | 14.9 |
| 第5次测量值 | 1.20 | 19.6 | 1.83 | 15.3 | 2.39 | 20.5 | 3.61 | 14.9 |
| 第6次测量值 | 1.18 | 19.8 | 1.82 | 15.1 | 2.38 | 20.2 | 3.65 | 14.8 |
| 平均值 | 1.18 | 19.7 | 1.83 | 15.1 | 2.37 | 20.3 | 3.64 | 14.8 |
| 与标准值差值 | -0.02 | -0.3 | 0.03 | 0.1 | -0.03 | 0.3 | 0.04 | -0.2 |
| 相对误差/% | 1.69 | 1.52 | 1.64 | 0.66 | 1.26 | 1.48 | 1.10 | 1.35 |
), ArticleFig(id=1179491154765688995, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 5, caption=
Comparison of actual water sample measurement data
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| 样品编号 | 酸浓度/(mol/L) | 酸浓度相对 误差/(F.S%) | 铀质量浓度/(mg/L) | 铀质量浓度相对 误差/(F.S%) |
| 原方法 | 本方法 | 原方法 | 本方法 |
| 1 | 1.77 | 1.69 | -2.00 | 16.2 | 14.7 | -3.0 |
| 2 | 1.61 | 1.67 | +1.50 | 13.5 | 12.5 | -2.0 |
| 3 | 1.16 | 1.08 | -2.00 | 21.6 | 19.6 | -4.0 |
| 4 | 1.36 | 1.30 | -1.50 | 16.2 | 15.7 | -1.0 |
| 5 | 0.64 | 0.71 | +1.75 | 16.2 | 13.9 | -4.6 |
| 6 | 0.97 | 1.06 | +2.25 | 16.2 | 14.4 | -3.6 |
| 7 | 1.18 | 1.21 | +0.75 | 13.5 | 14.9 | +2.8 |
| 8 | 1.56 | 1.51 | -1.25 | 13.5 | 15.0 | +3.0 |
| 9 | 1.31 | 1.29 | -0.50 | 21.6 | 19.7 | -3.8 |
), ArticleFig(id=1179491154866352292, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表5, caption=
实际水样测量数据比对
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| 样品编号 | 酸浓度/(mol/L) | 酸浓度相对 误差/(F.S%) | 铀质量浓度/(mg/L) | 铀质量浓度相对 误差/(F.S%) |
| 原方法 | 本方法 | 原方法 | 本方法 |
| 1 | 1.77 | 1.69 | -2.00 | 16.2 | 14.7 | -3.0 |
| 2 | 1.61 | 1.67 | +1.50 | 13.5 | 12.5 | -2.0 |
| 3 | 1.16 | 1.08 | -2.00 | 21.6 | 19.6 | -4.0 |
| 4 | 1.36 | 1.30 | -1.50 | 16.2 | 15.7 | -1.0 |
| 5 | 0.64 | 0.71 | +1.75 | 16.2 | 13.9 | -4.6 |
| 6 | 0.97 | 1.06 | +2.25 | 16.2 | 14.4 | -3.6 |
| 7 | 1.18 | 1.21 | +0.75 | 13.5 | 14.9 | +2.8 |
| 8 | 1.56 | 1.51 | -1.25 | 13.5 | 15.0 | +3.0 |
| 9 | 1.31 | 1.29 | -0.50 | 21.6 | 19.7 | -3.8 |
), ArticleFig(id=1179491154937655461, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=EN, label=Table 6, caption=
Recovery rate of actual water sample
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| 样品编号 | 酸浓度/(mol/L) | 酸浓度加标 回收率/% | 铀质量浓度/(mg/L) | 铀浓度加标 回收率/(F.S%) |
| 本方法 | 加标浓度 | 加标后 | 本方法 | 加标浓度 | 加标后 |
| 1 | 1.77 | 2.00 | 3.63 | 97.0 | 19.7 | 20.0 | 39.2 | 97.5 |
| 2 | 1.61 | 2.00 | 3.66 | 99.5 | 14.7 | 20.0 | 34.1 | 97.0 |
| 3 | 1.16 | 2.00 | 3.05 | 98.5 | 12.5 | 20.0 | 32.9 | 102.0 |
| 4 | 1.36 | 2.00 | 3.33 | 101.5 | 19.6 | 20.0 | 39.8 | 101.0 |
| 5 | 0.64 | 2.00 | 2.70 | 99.5 | 15.7 | 20.0 | 35.9 | 101.0 |
| 6 | 0.97 | 2.00 | 3.11 | 102.5 | 13.9 | 20.0 | 33.5 | 98.0 |
| 7 | 1.18 | 2.00 | 3.24 | 101.5 | 14.4 | 20.0 | 34.3 | 99.5 |
| 8 | 1.56 | 2.00 | 3.47 | 98.0 | 14.9 | 20.0 | 35.2 | 101.5 |
| 9 | 1.31 | 2.00 | 3.31 | 101.0 | 15.0 | 20.0 | 34.7 | 98.5 |
), ArticleFig(id=1179491155021541542, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999678978847538, language=CN, label=表6, caption=
实际水样加标回收率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 酸浓度/(mol/L) | 酸浓度加标 回收率/% | 铀质量浓度/(mg/L) | 铀浓度加标 回收率/(F.S%) |
| 本方法 | 加标浓度 | 加标后 | 本方法 | 加标浓度 | 加标后 |
| 1 | 1.77 | 2.00 | 3.63 | 97.0 | 19.7 | 20.0 | 39.2 | 97.5 |
| 2 | 1.61 | 2.00 | 3.66 | 99.5 | 14.7 | 20.0 | 34.1 | 97.0 |
| 3 | 1.16 | 2.00 | 3.05 | 98.5 | 12.5 | 20.0 | 32.9 | 102.0 |
| 4 | 1.36 | 2.00 | 3.33 | 101.5 | 19.6 | 20.0 | 39.8 | 101.0 |
| 5 | 0.64 | 2.00 | 2.70 | 99.5 | 15.7 | 20.0 | 35.9 | 101.0 |
| 6 | 0.97 | 2.00 | 3.11 | 102.5 | 13.9 | 20.0 | 33.5 | 98.0 |
| 7 | 1.18 | 2.00 | 3.24 | 101.5 | 14.4 | 20.0 | 34.3 | 99.5 |
| 8 | 1.56 | 2.00 | 3.47 | 98.0 | 14.9 | 20.0 | 35.2 | 101.5 |
| 9 | 1.31 | 2.00 | 3.31 | 101.0 | 15.0 | 20.0 | 34.7 | 98.5 |
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