产品名称：	HH-NMHC-1--1M*1/8 环境空气非甲烷总烃连续自动监单根填充柱
产品型号：	HH-NMHC-1--1M*1/8
品牌：	1356
产品数量：
产品单价：	面议
日期:	2022-08-21

HH-NMHC-1--1M*1/8 环境空气非甲烷总烃连续自动监单根填充柱的详细资料

环境空气非甲烷总烃连续自动监单根填充柱
环境空气非甲烷总烃连续自动监单根填充柱 详细信息：

环境空气非甲烷总烃不仅对大气环境和人体健康有重要的影响，也是光化学监测网的重要监测指标之一。
为规范环境空气非甲烷总烃连续监测系统安装与验收、日常运维和质量控制等工作，提高环境空气非甲烷总烃自动监测数据质量，中国环境监测总站联合上海市环境监测中心等单位组成的编制组，研究制定了《环境空气非甲烷总烃连续自动监测系统技术规定（试行）》（以下简称《技术规定》），并于2021年1月印发全国生态环境监测系统试行。

针对传统的气相色谱法测定非甲烷总烃的方法：采用2根色谱柱，1根甲烷柱，1根总烃柱，分别测定总烃和甲烷，然后用总烃减去甲烷，即得非甲烷总烃的含量。此法为间接法，操作复杂，费时费力，有时出现负值，定量不准确。

浩瀚色谱（山东）应用技术开发有限公司，，依据2021的标准，研制生产单柱反吹气相色谱法测定环境空气非甲烷总烃，直接测定非甲烷总烃的含量，效率高，结果准确。

环境空气非甲烷总烃连续自动监单根填充柱 测试谱图：



Continuous automatic monitoring of single packed column for non-methane total hydrocarbons in ambient air
Continuous automatic monitoring of single packed column for ambient air non-methane total hydrocarbons Details:

Ambient air non-methane total hydrocarbons not only have an important impact on the atmospheric environment and human health, but also one of the important monitoring indicators of the photochemical monitoring network.
In order to standardize the installation and acceptance, daily operation and maintenance and quality control of ambient air non-methane total hydrocarbons continuous monitoring system, and to improve the quality of ambient air non-methane total hydrocarbons automatic monitoring data, the China Environmental Monitoring Station and Shanghai Environmental Monitoring Center and other units are formed. The compilation team has studied and formulated the "Technical Regulations for Continuous Automatic Monitoring System for Non-methane Total Hydrocarbons in Ambient Air (Trial Implementation)" (hereinafter referred to as "Technical Regulations"), and issued the National Ecological Environment Monitoring System for trial implementation in January 2021.

For the traditional gas chromatography method for the determination of non-methane total hydrocarbons: use 2 chromatographic columns, 1 methane column, and 1 total hydrocarbon column to measure total hydrocarbons and methane respectively, and then subtract methane from total hydrocarbons to obtain non-methane total hydrocarbon content. This method is an indirect method, the operation is complicated, time-consuming and laborious, sometimes negative values appear, and the quantification is inaccurate.

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. keeps pace with the times and, according to the 2021 standard, develops and produces a single-column backflushing gas chromatography method for the determination of non-methane total hydrocarbons in ambient air, and directly determines the content of non-methane total hydrocarbons with high efficiency. The results are accurate and reliable.

Ambient air non-methane total hydrocarbons continuous automatic monitoring of a single packed column Test spectrum: