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${\mathrm{{COD}}}_{\mathrm{{Mn}}}$ and
${\mathrm{{COD}}}_{\mathrm{{Cr}}}$ in waterby microwave digestion-spectrophotometry, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective The article studies the determination of ${\mathrm{{COD}}}_{\mathrm{{Mn}}}$ and ${\mathrm{{COD}}}_{\mathrm{{Cr}}}$ inwater using microwave digestion spectrophotometry. Methods Explore thisdetection method from multiple perspectives such as detection limit,precision, accuracy, linear range, analysis speed, and testing cost, andcompare it with traditional national standard methods. Results Theexperimental results show that the detection results of this method aresimilar to those of the national standard method, with a high recoveryrate of sample spiking, a lower detection limit, and a lower relativestandard deviation. Conclusion It can be seen that the method is easy and fast to operate, with good detection accuracy, high precision, wide detection range, and reduces time and material costs, reducing secondary pollution. It is suitable for the detection of different types of water bodies such as surface water, groundwater, and sewage.
, correspAuthors=Jie TU, authorNote=null, correspAuthorsNote=
*TU Jie, Engineer, Chongqing Institute of Geology & Mineral Resources, Chongqing 401120, China. E-mail:
872467122@qq.com, 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=Jie TU, Ping-Ping CHE, Huang-Qin WAN, Zhou GONG), CN=ArticleExt(id=1156967531375317930, articleId=1156967524316304272, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=微波消解- 分光光度法测定水中
${\mathrm{{COD}}}_{\mathrm{{Mn}}}$ 和
${\mathrm{{COD}}}_{\mathrm{{Cr}}}$, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 研究采用微波消解 - 分光光度法测定水中 ${\mathrm{{COD}}}_{\mathrm{{Mn}}}$ 和 ${\mathrm{{COD}}}_{\mathrm{{Cr}}}$ 。方法 从检出限、精密度、准确度、线性范围、分析速度、测试成本等多种角度探讨该检测方法,并与传统国标方法进行比对。结果 实验结果表明,此方法检测结果与国标法的检测结果相近, 样品加标回收率高, 且检出限更低,相对标准偏差更低。结论 该方法操作简便快捷, 检测结果准确性好, 精密度高,检测范围广, 且降低了时间成本和物质成本, 减小二次污染,适用于地表水、地下水、污水等不同类型水体的检测。
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涂杰,工程师,研究方向为地质实验测试。 |
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39(03): 179-181., articleTitle=微波消解法测定高锰酸盐指数, refAbstract=null), Reference(id=1156967557065429148, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, doi=null, pmid=null, pmcid=null, year=2016, volume=39, issue=S1, pageStart=71, pageEnd=74, url=null, language=null, rfNumber=[10], rfOrder=9, authorNames=王照丽, 罗娅君, 李薇, journalName=环境科学与技术, refType=null, unstructuredReference=王照丽, 罗娅君, 李薇, 等. 微波消解法测定工业废水中的化学需氧量[J].
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2014(01): 31-33., articleTitle=测定化学需氧量的新型分光光度法, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1156967540304991183, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, xref=1, ext=[AuthorCompanyExt(id=1156967540309185488, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, companyId=1156967540304991183, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 重庆地质矿产研究院 重庆 401120)]), AuthorCompany(id=1156967542834156512, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, xref=2, ext=[AuthorCompanyExt(id=1156967542838350817, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, companyId=1156967542834156512, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 重庆华地资环科技有限公司 重庆 401120)])], figs=[ArticleFig(id=1156967555211546723, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 1, caption=
Standard sample testing data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 极差 (mg/L) |
| 1.50 | 1.54 | 1.58 | 1.48 | 1.46 | 1.52 | 1.47 | 1.51 | 3.18 | 0.12 |
| 3.00 | 2.99 | 2.93 | 3.07 | 2.91 | 3.01 | 2.90 | 2.97 | 2.26 | 0.17 |
| 4.50 | 4.54 | 4.44 | 4.58 | 4.45 | 4.49 | 4.60 | 4.52 | 1.47 | 0.16 |
), ArticleFig(id=1156967555282849895, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 1, caption=
标准样品测试数据表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 极差 (mg/L) |
| 1.50 | 1.54 | 1.58 | 1.48 | 1.46 | 1.52 | 1.47 | 1.51 | 3.18 | 0.12 |
| 3.00 | 2.99 | 2.93 | 3.07 | 2.91 | 3.01 | 2.90 | 2.97 | 2.26 | 0.17 |
| 4.50 | 4.54 | 4.44 | 4.58 | 4.45 | 4.49 | 4.60 | 4.52 | 1.47 | 0.16 |
), ArticleFig(id=1156967555354153064, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 2, caption=
Comparison of actual sample test data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 极差 (mg/L) |
| 验证法 | 水样 1 | 1.23 | 1.18 | 1.25 | 1.28 | 1.19 | 1.23 | 1.23 | 3.18 | 0.11 |
| 水样 2 | 2.32 | 2.39 | 2.33 | 2.41 | 2.38 | 2.36 | 2.37 | 1.46 | 0.09 |
| 国标法 | 水样 1 | 1.27 | 1.27 | 1.29 | 1.17 | 1.22 | 1.23 | 1.24 | 3.56 | 0.12 |
| 水样 2 | 2.48 | 2.33 | 2.42 | 2.35 | 2.46 | 2.30 | 2.39 | 3.03 | 0.18 |
), ArticleFig(id=1156967555505148011, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 2, caption=
实际样品测试数据对比表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 极差 (mg/L) |
| 验证法 | 水样 1 | 1.23 | 1.18 | 1.25 | 1.28 | 1.19 | 1.23 | 1.23 | 3.18 | 0.11 |
| 水样 2 | 2.32 | 2.39 | 2.33 | 2.41 | 2.38 | 2.36 | 2.37 | 1.46 | 0.09 |
| 国标法 | 水样 1 | 1.27 | 1.27 | 1.29 | 1.17 | 1.22 | 1.23 | 1.24 | 3.56 | 0.12 |
| 水样 2 | 2.48 | 2.33 | 2.42 | 2.35 | 2.46 | 2.30 | 2.39 | 3.03 | 0.18 |
), ArticleFig(id=1156967555610005614, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 3, caption=
Actual sample spiked recovery test data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 加标回收率 (%) |
| 加标 0.25 | 1.72 | 1.61 | 1.70 | 1.66 | 1.71 | 1.67 | 1.68 | 2.59 | 90.6 |
| 加标 0.50 | 2.22 | 2.07 | 2.24 | 2.18 | 2.07 | 2.13 | 2.15 | 3.41 | 92.7 |
| 加标 1.00 | 3.21 | 3.05 | 3.11 | 3.17 | 3.04 | 3.20 | 3.13 | 2.34 | 95.3 |
), ArticleFig(id=1156967555672920175, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 3, caption=
实际样品加标回收测试数据表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 加标回收率 (%) |
| 加标 0.25 | 1.72 | 1.61 | 1.70 | 1.66 | 1.71 | 1.67 | 1.68 | 2.59 | 90.6 |
| 加标 0.50 | 2.22 | 2.07 | 2.24 | 2.18 | 2.07 | 2.13 | 2.15 | 3.41 | 92.7 |
| 加标 1.00 | 3.21 | 3.05 | 3.11 | 3.17 | 3.04 | 3.20 | 3.13 | 2.34 | 95.3 |
), ArticleFig(id=1156967555836498034, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 4, caption=
Standard sample testing data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 最大相对相差 (%) |
| 60 | 58 | 60 | 64 | 64 | 58 | 61 | 61 | 4.24 | 9.51 |
| 120 | 125 | 123 | 119 | 126 | 122 | 123 | 123 | 1.89 | 5.22 |
| 300 | 306 | 295 | 308 | 300 | 294 | 285 | 298 | 2.77 | 7.56 |
| 600 | 612 | 598 | 616 | 623 | 582 | 599 | 605 | 2.48 | 6.83 |
), ArticleFig(id=1156967555895218292, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 4, caption=
标准样品测试数据表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 最大相对相差 (%) |
| 60 | 58 | 60 | 64 | 64 | 58 | 61 | 61 | 4.24 | 9.51 |
| 120 | 125 | 123 | 119 | 126 | 122 | 123 | 123 | 1.89 | 5.22 |
| 300 | 306 | 295 | 308 | 300 | 294 | 285 | 298 | 2.77 | 7.56 |
| 600 | 612 | 598 | 616 | 623 | 582 | 599 | 605 | 2.48 | 6.83 |
), ArticleFig(id=1156967555966521462, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 5, caption=
Comparison of actual sample test data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 最大相对相差 (%) |
| 验证法 | 水样 1 | 53 | 53 | 49 | 50 | 50 | 52 | 51 | 3.07 | 6.49 |
| 水样 2 | 311 | 311 | 313 | 311 | 333 | 323 | 317 | 2.86 | 6.84 |
| 国标法 | 水样 1 | 51 | 48 | 49 | 51 | 52 | 52 | 51 | 3.36 | 8.41 |
| 水样 2 | 330 | 325 | 307 | 306 | 324 | 316 | 318 | 3.13 | 7.68 |
), ArticleFig(id=1156967556021047416, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 5, caption=
实际样品测试数据对比表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 最大相对相差 (%) |
| 验证法 | 水样 1 | 53 | 53 | 49 | 50 | 50 | 52 | 51 | 3.07 | 6.49 |
| 水样 2 | 311 | 311 | 313 | 311 | 333 | 323 | 317 | 2.86 | 6.84 |
| 国标法 | 水样 1 | 51 | 48 | 49 | 51 | 52 | 52 | 51 | 3.36 | 8.41 |
| 水样 2 | 330 | 325 | 307 | 306 | 324 | 316 | 318 | 3.13 | 7.68 |
), ArticleFig(id=1156967556083961978, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=EN, label=Table 6, caption=
Actual sample spiked recovery test data, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 加标回收率 (%) |
| 加标 0.50 | 98 | 98 | 99 | 97 | 98 | 97 | 98 | 0.85 | 93.7 |
| 加标 1.00 | 148 | 149 | 145 | 146 | 147 | 147 | 147 | 1.00 | 96.0 |
| 加标 2.00 | 239 | 243 | 240 | 241 | 236 | 239 | 240 | 1.01 | 94.3 |
| 加标 3.00 | 344 | 332 | 336 | 345 | 346 | 343 | 341 | 1.66 | 96.7 |
), ArticleFig(id=1156967556146876540, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967524316304272, language=CN, label=表 6, caption=
实际样品加标回收测试数据表, figureFileSmall=null, figureFileBig=null, tableContent=
| 浓度 (mg/L) | 1 | 2 | 3 | 4 | 5 | 6 | 平均值 | RSD (%) | 加标回收率 (%) |
| 加标 0.50 | 98 | 98 | 99 | 97 | 98 | 97 | 98 | 0.85 | 93.7 |
| 加标 1.00 | 148 | 149 | 145 | 146 | 147 | 147 | 147 | 1.00 | 96.0 |
| 加标 2.00 | 239 | 243 | 240 | 241 | 236 | 239 | 240 | 1.01 | 94.3 |
| 加标 3.00 | 344 | 332 | 336 | 345 | 346 | 343 | 341 | 1.66 | 96.7 |
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