CN1199169A - 用导数光度法测定冷却水中亚硝酸根浓度的方法 - Google Patents
用导数光度法测定冷却水中亚硝酸根浓度的方法 Download PDFInfo
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- CN1199169A CN1199169A CN 98100366 CN98100366A CN1199169A CN 1199169 A CN1199169 A CN 1199169A CN 98100366 CN98100366 CN 98100366 CN 98100366 A CN98100366 A CN 98100366A CN 1199169 A CN1199169 A CN 1199169A
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Description
试样pH值 | 1mol/L(H+) | 0.5 | 1.5 | 2.5 | 3.5 | 4.5 | 7.0 |
导数值(40mg/L NO2 -) | 0.059 | 0.068 | 0.058 | 0.045 | 0.011 | 0 | 0 |
编号 | 测定值 mg/L | 平均值mg/L | 标准偏差 | 相对标准偏差% | |||||
1 | 2 | 3 | 4 | 5 | 6 | ||||
1 | 243.7 | 254.2 | 243.7 | 251.3 | 237.7 | 257.2 | 248.0 | 7.44 | 3.00 |
2 | 152.1 | 150.0 | 148.7 | 153.1 | 150.3 | 145.3 | 149.9 | 2.75 | 1.84 |
3 | 152.7 | 142.4 | 148.7 | 148.7 | 151.0 | 147.6 | 148.5 | 3.52 | 2.37 |
4 | 75.36 | 75.36 | 73.81 | 76.91 | 76.91 | 78.46 | 76.14 | 1.63 | 2.14 |
加入NO2 -(μg) | 测得NO2 -(μg) | 回收率% |
250 | 241.39 | 96.56 |
500 | 507.76 | 101.55 |
750 | 746.39 | 99.52 |
1000 | 962.81 | 96.28 |
1250 | 1212.53 | 97.00 |
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CN 98100366 CN1074545C (zh) | 1998-01-23 | 1998-01-23 | 用导数光度法测定冷却水中亚硝酸根浓度的方法 |
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CN 98100366 CN1074545C (zh) | 1998-01-23 | 1998-01-23 | 用导数光度法测定冷却水中亚硝酸根浓度的方法 |
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CN1199169A true CN1199169A (zh) | 1998-11-18 |
CN1074545C CN1074545C (zh) | 2001-11-07 |
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CN 98100366 Expired - Fee Related CN1074545C (zh) | 1998-01-23 | 1998-01-23 | 用导数光度法测定冷却水中亚硝酸根浓度的方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103543116A (zh) * | 2013-09-24 | 2014-01-29 | 上海纳米技术及应用国家工程研究中心有限公司 | 导数分光光度法测定水中十二烷基苯磺酸钠 |
CN105936551A (zh) * | 2016-07-15 | 2016-09-14 | 重庆大学 | 一种检测污水脱氮过程中亚硝化速率与亚硝酸盐降解速率的方法 |
CN108535203A (zh) * | 2018-04-03 | 2018-09-14 | 金川集团股份有限公司 | 一种镍基溶液中糖精钠的导数分光光度检测方法 |
CN113640239A (zh) * | 2021-08-24 | 2021-11-12 | 厦门大学深圳研究院 | 一种硝酸盐和亚硝酸盐的分光光度法检测方法 |
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1998
- 1998-01-23 CN CN 98100366 patent/CN1074545C/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103543116A (zh) * | 2013-09-24 | 2014-01-29 | 上海纳米技术及应用国家工程研究中心有限公司 | 导数分光光度法测定水中十二烷基苯磺酸钠 |
CN105936551A (zh) * | 2016-07-15 | 2016-09-14 | 重庆大学 | 一种检测污水脱氮过程中亚硝化速率与亚硝酸盐降解速率的方法 |
CN105936551B (zh) * | 2016-07-15 | 2018-10-09 | 重庆大学 | 一种检测污水脱氮过程中亚硝化速率与亚硝酸盐降解速率的方法 |
CN108535203A (zh) * | 2018-04-03 | 2018-09-14 | 金川集团股份有限公司 | 一种镍基溶液中糖精钠的导数分光光度检测方法 |
CN113640239A (zh) * | 2021-08-24 | 2021-11-12 | 厦门大学深圳研究院 | 一种硝酸盐和亚硝酸盐的分光光度法检测方法 |
CN113640239B (zh) * | 2021-08-24 | 2023-10-24 | 厦门大学深圳研究院 | 一种硝酸盐和亚硝酸盐的分光光度法检测方法 |
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CN1074545C (zh) | 2001-11-07 |
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