Article(id=1156967361170461695, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156967360193192910, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753772114316, onlineDateStr=2025-07-29, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753772114316, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753772114316, creator=13701087609, updateTime=1753772114316, updator=13701087609, issue=Issue{id=1156967360193192910, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='8', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753772114084, creator=13701087609, updateTime=1753778008087, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156992081479689064, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156967360193192910, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156992081479689065, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156967360193192910, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=86, endPage=89, ext={EN=ArticleExt(id=1156967361707331584, articleId=1156967361170461695, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Discussion and research on the main influencing factors in the process of detecting total nitrogen in water, columnId=1156641066674676444, journalTitle=Laboratory Testing, columnName=Evaluation and Analysis, runingTitle=null, highlight=null, articleAbstract=
Total nitrogen, as a fundamental indicator for water quality monitoring, is an important indicator for measuring the degree of water pollution, self purification status, and eutrophication. It is of great significance for evaluating water quality and protecting the ecological environment. This article explores the main factors affecting the detection process of total nitrogen in water using ultraviolet digestion spectrophotometry. By optimizing the detection process through methods such as sample self influencing factors, digestion process control, and reagent and drug purification, the problem of high experimental blank has been effectively solved, and the reliability and accuracy of the detection have been improved.
, correspAuthors=Shuang-Hong PU, authorNote=null, correspAuthorsNote=
*PU Shuang-Hong, Engineer, No.6 Binjiang South Road, Jialing District, Nanchong 637000, China. E-mail:
597617689@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=Shuang-Hong PU), CN=ArticleExt(id=1156967381496058099, articleId=1156967361170461695, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=检测水中总氮过程中主要影响因素的探讨与研究, columnId=1152194691782505406, journalTitle=实验室检测, columnName=评价与分析, runingTitle=null, highlight=null, articleAbstract=
总氮,作为水质监测的基础指标,是衡量水体污染程度、自净状况和水体富营养化的重要指标,对于评估水体质量和保护生态环境具有重要意义。本文使用紫外消解分光光度法检测水中总氮对检测过程中的主要影响因素进行探讨,通过对样品自身影响因素、消解过程控制、试剂药品提纯等方法对检测过程进行优化,有效地解决了实验空白过高的问题,提高了检测的可靠性和准确性。
, correspAuthors=蒲双红, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=/cmM1cpuEdVfwLI8+BctjA==, magXml=NbGkqU0pYnPdex4tUtVdbQ==, pdfUrl=null, pdf=JZFM+gdS78YaqBzzaRF2bw==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=dGM1o7HzUMHtofhzVihWsw==, mapNumber=null, authorCompany=null, fund=null, authors=
 |
蒲双红,工程师,研究方向为水质监测。 |
, authorsList=蒲双红)}, authors=[Author(id=1156967388328579369, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=597617689@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1156967388391493932, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, authorId=1156967388328579369, language=EN, stringName=Shuang-Hong PU, firstName=Shuang-Hong, middleName=null, lastName=PU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, address=Water Quality Monitoring Center Nanchong Environmental Group Co., Ltd. Nanchong 637000 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156967388462797102, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, authorId=1156967388328579369, language=CN, stringName=蒲双红, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, address=南充环境集团有限责任公司 水质监测中心 南充 637000, bio={"img":"UjCCx3o2XVXVY2Z6KR1ygA==","content":"
蒲双红,工程师,研究方向为水质监测。
"}, bioImg=UjCCx3o2XVXVY2Z6KR1ygA==, bioContent=
蒲双红,工程师,研究方向为水质监测。
, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1156967388206944548, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, xref=null, ext=[AuthorCompanyExt(id=1156967388215333157, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, companyId=1156967388206944548, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Water Quality Monitoring Center Nanchong Environmental Group Co., Ltd. Nanchong 637000 China), AuthorCompanyExt(id=1156967388223721766, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, companyId=1156967388206944548, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=南充环境集团有限责任公司 水质监测中心 南充 637000)])])], keywords=[Keyword(id=1156967389180023087, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, orderNo=1, keyword=water), Keyword(id=1156967389230354736, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, orderNo=2, keyword=total nitrogen), Keyword(id=1156967389284880692, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, orderNo=3, keyword=UV visible spectrophotometry), Keyword(id=1156967389343600952, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, orderNo=4, keyword=potassium persulfate purity), Keyword(id=1156967389393932601, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, orderNo=1, keyword=水), Keyword(id=1156967389490401595, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, orderNo=2, keyword=总氮), Keyword(id=1156967389595259199, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, orderNo=3, keyword=紫外可见分光光度法), Keyword(id=1156967389645590850, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, orderNo=4, keyword=过硫酸钾纯度)], refs=[Reference(id=1156967391579165018, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, doi=null, pmid=null, pmcid=null, year=2014, volume=27, issue=02, pageStart=51, pageEnd=53, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=师培, journalName=环境研究与监测, refType=null, unstructuredReference=师培. 地表水中总氮测定方法的改进[J].
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2007(20): 26-27., articleTitle=过硫酸钾重结晶降低总氮空白值的方法讨论, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1156967388206944548, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, xref=null, ext=[AuthorCompanyExt(id=1156967388215333157, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, companyId=1156967388206944548, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Water Quality Monitoring Center Nanchong Environmental Group Co., Ltd. Nanchong 637000 China), AuthorCompanyExt(id=1156967388223721766, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, companyId=1156967388206944548, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=南充环境集团有限责任公司 水质监测中心 南充 637000)])], figs=[ArticleFig(id=1156967390987768142, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, label=Fig. 1, caption=
Total nitrogen standard curve, figureFileSmall=q6BzMh8Z1Fz+KP7yX22+xg==, figureFileBig=2DNLOXju4LEWciQbbjzfjg==, tableContent=null), ArticleFig(id=1156967391054877008, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, label=图 1, caption=
总氮标准曲线, figureFileSmall=q6BzMh8Z1Fz+KP7yX22+xg==, figureFileBig=2DNLOXju4LEWciQbbjzfjg==, tableContent=null), ArticleFig(id=1156967391231037780, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, label=Table 1, caption=
Reagent blank and corrected absorbance, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | | | 吸光度 | | |
| 直接 配制 | 220 nm | 0.134 | 0.135 | 0.133 | 0.134 | 0.135 |
| 275 nm | 0.007 | 0.007 | 0.006 | 0.007 | 0.006 |
| A220-2A275 | 0.120 | 0.121 | 0.121 | 0.120 | 0.123 |
| 重结晶 一次 | ${220}\mathrm{\;{nm}}$ | 0.055 | 0.054 | 0.056 | 0.055 | 0.054 |
| 275 nm | 0.006 | 0.005 | 0.007 | 0.007 | 0.006 |
| A220-2A275 | 0.043 | 0.044 | 0.042 | 0.041 | 0.042 |
| 重结晶 两次 | ${220}\mathrm{\;{nm}}$ | 0.029 | 0.030 | 0.030 | 0.029 | 0.030 |
| 275 nm | 0.006 | 0.007 | 0.007 | 0.006 | 0.006 |
| A220-2A275 | 0.017 | 0.016 | 0.016 | 0.017 | 0.018 |
), ArticleFig(id=1156967391344283989, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, label=表 1, caption=
空白试剂和校正试剂的吸光度, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | | | 吸光度 | | |
| 直接 配制 | 220 nm | 0.134 | 0.135 | 0.133 | 0.134 | 0.135 |
| 275 nm | 0.007 | 0.007 | 0.006 | 0.007 | 0.006 |
| A220-2A275 | 0.120 | 0.121 | 0.121 | 0.120 | 0.123 |
| 重结晶 一次 | ${220}\mathrm{\;{nm}}$ | 0.055 | 0.054 | 0.056 | 0.055 | 0.054 |
| 275 nm | 0.006 | 0.005 | 0.007 | 0.007 | 0.006 |
| A220-2A275 | 0.043 | 0.044 | 0.042 | 0.041 | 0.042 |
| 重结晶 两次 | ${220}\mathrm{\;{nm}}$ | 0.029 | 0.030 | 0.030 | 0.029 | 0.030 |
| 275 nm | 0.006 | 0.007 | 0.007 | 0.006 | 0.006 |
| A220-2A275 | 0.017 | 0.016 | 0.016 | 0.017 | 0.018 |
), ArticleFig(id=1156967391419781463, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=EN, label=Table 2, caption=
Absorbance and calculation, figureFileSmall=null, figureFileBig=null, tableContent=
| - | ${0.00\mu }\mathrm{g}$ | ${2.00\mu }\mathrm{g}$ | ${5.00\mu }\mathrm{g}$ | ${10.0\mu }\mathrm{g}$ | ${30.0\mu }\mathrm{g}$ | ${70.0\mu }\mathrm{g}$ | 空白试验 | 样品 1 | 样品 1 | 标曲 中间点 | 加标样 |
| ${220}\mathrm{\;{nm}}$ | 0.033 | 0.048 | 0.083 | 0.142 | 0.332 | 0.729 | 0.033 | 0.119 | 0.121 | 0.132 | 0.234 |
| 275 nm | 0.004 | 0.003 | 0.004 | 0.004 | 0.006 | 0.007 | 0.007 | 0.010 | 0.010 | 0.006 | 0.007 |
| ${A}_{\mathrm{s}}$ | ${0.025}\left({A}_{\mathrm{b}}\right)$ | 0.042 | 0.075 | 0.134 | 0.320 | 0.715 | ${0.019}\left(\mathrm{{Ab}}\right)$ | 0.099 | 0.101 | 0.120 | 0.220 |
| ${A}_{\mathrm{r}}$ | 0.000 | 0.017 | 0.050 | 0.109 | 0.295 | 0.690 | - | 0.080 | 0.082 | 0.101 | 0.201 |
| 浓度(mg/L) | - | - | - | - | - | - | - | 0.799 | 0.819 | 1.013 | 2.034 |
), ArticleFig(id=1156967391486890329, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156967361170461695, language=CN, label=表 2, caption=
吸光度及计算, figureFileSmall=null, figureFileBig=null, tableContent=
| - | ${0.00\mu }\mathrm{g}$ | ${2.00\mu }\mathrm{g}$ | ${5.00\mu }\mathrm{g}$ | ${10.0\mu }\mathrm{g}$ | ${30.0\mu }\mathrm{g}$ | ${70.0\mu }\mathrm{g}$ | 空白试验 | 样品 1 | 样品 1 | 标曲 中间点 | 加标样 |
| ${220}\mathrm{\;{nm}}$ | 0.033 | 0.048 | 0.083 | 0.142 | 0.332 | 0.729 | 0.033 | 0.119 | 0.121 | 0.132 | 0.234 |
| 275 nm | 0.004 | 0.003 | 0.004 | 0.004 | 0.006 | 0.007 | 0.007 | 0.010 | 0.010 | 0.006 | 0.007 |
| ${A}_{\mathrm{s}}$ | ${0.025}\left({A}_{\mathrm{b}}\right)$ | 0.042 | 0.075 | 0.134 | 0.320 | 0.715 | ${0.019}\left(\mathrm{{Ab}}\right)$ | 0.099 | 0.101 | 0.120 | 0.220 |
| ${A}_{\mathrm{r}}$ | 0.000 | 0.017 | 0.050 | 0.109 | 0.295 | 0.690 | - | 0.080 | 0.082 | 0.101 | 0.201 |
| 浓度(mg/L) | - | - | - | - | - | - | - | 0.799 | 0.819 | 1.013 | 2.034 |
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