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产品名称: 2.5%DNP+2.5%Bentone-34玻璃柱 HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定
产品型号: 2.5%DNP+2.5%Bentone-34玻璃柱
品牌: 1941
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产品单价: 面议
日期: 2022-02-14

2.5%DNP+2.5%Bentone-34玻璃柱 HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定的详细资料

HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定
HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定  详细信息:

名称:填充柱

固定液:2.5%邻苯甲酸二壬酯(DNP)+2.5%有机皂土-34(Bentone-34)

担体:Chromosorb G.DMCS ,60-80目

规格:2m*1/8,2m*3mm(外径),2m*4mm(外径)

型号:2.5%DNP+2.5%Bentone-34/Chromosorb G.DMCS

应用:HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定 气相色谱法

HJ/T 66-2001 大气固定污染源 氯苯类化合物的测定 气相色谱法

1 适用范围

1.1 本标准适用于大气固定污染源有组织排放和无组织排放的氯苯类化合物的测定。

1.2 当采样体积为30L,解吸液体积为3ml,色谱进样为1μL时,方法的检出限见表1。

                             表1 方法的检出限/(mg/m3)

      当所用仪器不同时,方法的检出限有所不同。

2 引用标准

下列标准所包含的条文,通过在本标准中引用而构成本标准的正式条文。本标准出版时,所示版本均为有效。所有标准都会被修订,使用本标准的各方应探讨使用下列标准新版本的可能性。

      GB/T 16157-1996 固定污染源排气中颗粒物测定和气态污染物采样方法

      GB 16297-1996 大气污染物综合排放标准

3 定义

氯苯类化合物:一系列苯的氯取代异构体的总称。在本标准中指氯代苯、1,4-二氯苯和1,2,4-三氯苯测定结果的加和。

4 试剂和材料

      除非另有说明,本标准均采用符合国家标准的分析纯试剂和蒸馏水或同等纯度的水。

4.1 载气和辅助气体

a 载气:氮气,纯度99. 9V,用装5A分子筛净化管净化。

b 燃烧气:氢气,纯度99.9%,用装5A分子筛净化管净化。

c 助燃气:空气,用装5A分子筛净化管净化。



HJ/T 66-2001 Air Stationary Pollution Sources Determination of Chlorobenzene Compounds
HJ/T 66-2001 Air Stationary Pollution Sources Determination of Chlorobenzene Compounds Details:

Name: Packed Column

Fixative: 2.5% dinonyl phthalate (DNP) + 2.5% organic bentonite-34 (Bentone-34)

Carrier: Chromosorb G.DMCS, 60-80 mesh

Specifications: 2m*1/8, 2m*3mm (outer diameter), 2m*4mm (outer diameter)

Model: 2.5%DNP+2.5%Bentone-34/Chromosorb G.DMCS

Application: HJ/T 66-2001 Air Stationary Pollution Sources Determination of Chlorobenzene Compounds Gas Chromatography

HJ/T 66-2001 Air Stationary Pollution Sources-Determination of Chlorobenzene Compounds-Gas Chromatography
1 Scope of application

1.1 This standard is applicable to the determination of chlorobenzene compounds from organized and unorganized emissions from stationary sources of atmospheric pollution.

1.2 When the sampling volume is 30L, the desorption volume is 3ml, and the chromatographic injection is 1μL, the detection limit of the method is shown in Table 1.

                             Table 1 Detection limit of the method/(mg/m3)


      The detection limits of the methods vary when the instruments used are different.

2 Reference standards

The following standards contain provisions which, through reference in this standard, constitute official provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest edition of the following standards.

      GB/T 16157-1996 Determination of particulate matter in exhaust gas from stationary pollution sources and sampling methods for gaseous pollutants

      GB 16297-1996 Comprehensive emission standard of air pollutants

3 Definitions

Chlorobenzenes: A general term for a series of chlorine-substituted isomers of benzene. In this standard, it refers to the sum of the determination results of chlorobenzene, 1,4-dichlorobenzene and 1,2,4-trichlorobenzene.

4 Reagents and Materials

      Unless otherwise specified, this standard uses analytical reagents and distilled water or water of equivalent purity that meet national standards.

4.1 Carrier and auxiliary gases

a Carrier gas: nitrogen, with a purity of 99.9V, purified with a 5A molecular sieve purification tube.

b Combustion gas: hydrogen, purity 99.9%, purified with 5A molecular sieve purification tube.

c Gas-supporting gas: air, purify with 5A molecular sieve purification tube.