总结合氮指水中所有有机和无机形式氮的总和,包括硝酸盐、亚硝酸盐和铵态氮等。作为水质评价的关键指标,反映水体氮污染程度和自净能力,广泛应用于环境监测和农业管理领域。
| 标准号 & 类别 | 标准名称 | 发布 |
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| BS EN 12260-2003(2008)*BS 6068-2.83:2003 试验方法标准 |
水质 — 氮的测定 — 氧化为氮氧化物后结合氮 (TNb) 的测定 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
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2003-01-01 英国标准学会 |
| BS EN 12260:2003 试验 |
Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
化学发光美利体育登录入口官网 |
2003-09-25 英国标准学会 |
| BS EN ISO 20236:2024 测试方法 |
水质 高温催化氧化燃烧后总有机碳(TOC)、溶解有机碳(DOC)、总结合氮(TNb)和溶解结合氮(DNb)的测定 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
总有机碳 溶解有机碳 |
2024-11-30 英国标准学会 |
| DIN EN ISO 20236 E:2021-09 试验标准 |
Water quality total organic carbon after high temperature catalytic oxidation combustion (draft)
总有机碳 溶解有机碳 |
2021-09 德国标准化学会 |
| DIN EN ISO 20236:2023 试验标准 |
水质高温催化氧化燃烧后总有机碳(TOC)、溶解有机碳(DOC)、总结合氮(TN)和溶解结合氮(DN)的测定(ISO 20236:2018) Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
总有机碳 溶解有机碳 |
2023-04-01 德国标准化学会 |
| DIN EN ISO 20236:2023-04 试验标准 |
Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO 20236:20...
总有机碳 溶解有机碳 |
2023-04 德国标准化学会 |
| DIN EN ISO 20236:2023-10 |
水质高温催化氧化燃烧后总有机碳(TOC)、溶解有机碳(DOC)、总结合氮(TN<(Index)b>)和溶解结合氮(DN<(Index)b>)的测定(ISO/DIS 2023... Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
总有机碳 溶解有机碳 |
2023-10 德国标准化学会 |
| DIN EN ISO 20236:2025-05 |
水质 高温催化氧化燃烧法测定总有机碳(TOC)、溶解有机碳(DOC)、总结合态氮(TNb)和溶解结合态氮(DNb)(ISO 20236:2024) Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)
总有机碳 溶解有机碳 |
2025-05-01 德国标准化学会 |
| ISO 20236:2018 试验 |
水质.高温催化氧化燃烧后总有机碳(TOC)、溶解有机碳(DOC)、总结合氮(TNb)和溶解结合氮(DNb)的测定 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
总有机碳 溶解有机碳 |
2018-09-00 国际标准化组织 |
| ISO 23697-1:2023 试验 |
水质.使用小型密封管测定水中总结合氮(ST-TNb).第1部分:二甲基苯酚显色反应 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
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2023-02-02 国际标准化组织 |
| LST EN ISO 20236:2025 |
水质 高温催化氧化燃烧后总有机碳、溶解有机碳、总结合氮和溶解结合氮含量的测定(ISO 20236:2024) Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)
总有机碳 溶解有机碳 |
2025-01-15 立陶宛标准局 |
| NF EN ISO 20236:2024 |
水质高温催化氧化燃烧后总有机碳(TOC)、溶解有机碳(DOC)、总结合氮(TNb)、溶解结合氮(DNb)的测定 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
总有机碳 溶解有机碳 |
2024-11-01 法国标准化协会 |
| UNI EN ISO 20236:2025 |
总有机碳 溶解有机碳 |
2025-02-20 意大利统一标准化组织 |
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