HJ 605-2011_English: PDF (HJ605-2011)
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Soil and Sediment. Determination of Volatile Organic compounds. Purge and Trap Gas Chromatography/Mass Spectrometry Method
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| Standard ID | HJ 605-2011 (HJ605-2011) | | Description (Translated English) | Soil and Sediment. Determination of Volatile Organic compounds. Purge and Trap Gas Chromatography/Mass Spectrometry Method | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | Z18 | | Classification of International Standard | 13.080 | | Word Count Estimation | 22,293 | | Date of Issue | 2011-02-10 | | Date of Implementation | 2011-06-01 | | Quoted Standard | GB 17378.3; HJ/T 166 | | Summary | This standard specifies the determination of volatile organic compounds in soils and sediments of the purge and trap/gas chromatography mass spectrometry. This standard applies to soils and sediments 65 kinds of volatile organic compounds measured. If the validation of this standard can be applied to the determination of volatile organic compounds other. |
HJ 605-2011
Soil and Sediment.Determination of Volatile Organic compounds.Purge and Trap Gas Chromatography/Mass Spectrometry Method
National Environmental Protection Standard of the People's Republic
Determination of volatile organic compounds in soils and sediments
Purge and trap/gas chromatography-mass spectrometry
Soil and sediment-Determination of volatile organic compounds
-Purge and trap gas chromatography/mass spectrometry method
Published on.2011-02-10
2011-06-01 Implementation
Ministry of Environmental Protection released
Ministry of Environmental Protection
announcement
No. 9 of.2011
In order to implement the "Environmental Protection Law of the People's Republic of China", protect the environment, protect human health, and standardize environmental monitoring, the water is now approved.
The determination of total mercury is determined by the Cold Atomic Absorption Spectrophotometry and other nine standards for national environmental protection standards.
The standard name and number are as follows.
I. Determination of total mercury in water - Cold atomic absorption spectrophotometric method (HJ 597-2011);
2. Determination of water quality ladders by sodium sulfite spectrophotometry (HJ 598-2011);
3. Determination of water quality ladders N-chlorohexadecylpyridine-sodium sulfite spectrophotometry (HJ 599-2011);
4. Gas chromatographic method (HJ 600-2011) for the determination of water quality ladders, black ropes, and dien ladders;
5. Determination of water quality of formaldehyde - Acetylacetone spectrophotometry (HJ 601-2011);
6. Determination of water quality 石墨 Graphite furnace atomic absorption spectrophotometry (HJ 602-2011);
VII. Determination of water quality 火焰 Flame atomic absorption spectrophotometry (HJ 603-2011);
VIII. Determination of total hydrocarbons in ambient air - Gas chromatography (HJ 604-2011);
The above standards have been implemented since June 1,.2011 and published by the China Environmental Science Press. The standard content can be found on the website of the Ministry of Environmental Protection.
From the date of implementation of the above standards, the following seven national environmental protection standards approved and issued by the former National Environmental Protection Agency shall be abolished.
The name and number are as follows.
1. Determination of total mercury in water quality by cold atomic absorption spectrophotometry (GB 7468-87);
2. Determination of water quality ladders by sodium sulfite spectrophotometry (GB/T 13905-92);
3. Determination of water quality ladders by spectrophotometry (GB/T 13903-92);
4. Determination of water quality TNT, Hessian and Dien, gas chromatography (GB/T 13904-92);
V. Determination of water quality formaldehyde acetylacetone spectrophotometry (GB 13197-91);
6. Determination of water quality 原子 Atomic absorption spectrophotometry (GB/T 15506-1995);
VII. Determination of total hydrocarbons in ambient air Gas chromatography (GB/T 15263-94).
Special announcement.
February 10,.2011
Content
Foreword..iv
1 Scope..1
2 Normative references..1
3 Terms and Definitions.1
4 principle of the method..2
5 reagents and materials. 2
6 instruments and equipment.2
7 samples.3
8 Analysis steps..4
9 Results calculation and representation..7
10 Precision and Accuracy 8
11 Quality Assurance and Quality Control.8
12 Notes 9
Appendix A (Normative Appendix) Detection limit, lower limit of measurement and minimum relative response factor of target 10
Appendix B (informative) Quantitative parameters of target 12
Appendix C (informative) The precision and accuracy of the method.14
Iv
Foreword
In order to implement the Environmental Protection Law of the People's Republic of China, protect the environment, protect human health, and regulate the volatility of soil and sediment.
This standard is established for the measurement method of the machine.
This standard specifies the purge and trap/gas chromatography-mass spectrometry for the determination of volatile organic compounds in soils and sediments.
This standard is the first release.
Appendix A of this standard is a normative appendix, and Appendix B and Appendix C are informative appendices.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard is mainly drafted by. Dalian Environmental Monitoring Center.
This standard is verified by. Liaoning Provincial Environmental Monitoring Experimental Center, Anshan Environmental Monitoring Center Station, Jiangsu Environmental Monitoring Center, Shanghai
Municipal Environmental Monitoring Center and Henan Environmental Monitoring Center Station.
This standard was approved by the Ministry of Environmental Protection on February 10,.2011.
This standard has been implemented since June 1,.2011.
This standard is explained by the Ministry of Environmental Protection.
Determination of volatile organic compounds in soils and sediments
Purge and trap/gas chromatography-mass spectrometry
Warning. The internal standard, substitutes and standard samples used in the experiment are volatile toxic chemicals, and the solution should be prepared in a fume hood.
In the operation, the protective equipment should be worn as required to avoid contact with skin and clothing.
1 Scope of application
This standard specifies the purge and trap/gas chromatography-mass spectrometry for the determination of volatile organic compounds in soils and sediments.
This standard applies to the determination of 65 volatile organic compounds in soils and sediments. If verified by this standard, it can also be applied to other volatilization.
Determination of sex organic matter.
When the sample amount is 5 g and the full-scan analysis is performed by standard quadrupole mass spectrometry, the detection limit of the target is 0.2-3.2 μg/kg.
The lower limit is 0.8 to 12.8 μg/kg. See Appendix A for details.
2 Normative references
The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard.
GB 17378.3 Marine monitoring specification Part 3. Sample collection, storage and transport
HJ/T 166 Technical Specifications for Soil Environmental Monitoring
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Internal standard
Refers to a substance that is not contained in the sample but has similar physicochemical properties to the target to be tested. Usually added before sample analysis, for mesh
Quantitative analysis of the standard.
3.2
Surrogate
Refers to a substance that is not contained in the sample but has similar physicochemical properties to the target to be tested. Usually before sample extraction or other pretreatment
By adding, the recovery rate can be used to evaluate the influence of the sample matrix and the sample processing process on the analysis results.
3.3
Matrix spiked spike
It means that a known amount of the target to be tested is added to the sample for evaluating the recovery rate of the target and the matrix effect of the sample.
3.4
Calibration verification standards
Refers to a standard solution with a concentration near the midpoint of the calibration curve to confirm the validity of the calibration curve.
3.5
Transport blank strip blank
A blank reagent water is placed in the sample vial in the laboratory prior to sampling and brought to the sampling site. Do not open when sampling, then follow
The sample is shipped back to the laboratory and tested in the same operating steps as the sample to check for contamination during transport.
3.6
Full program blank whole program blank
A blank reagent water is placed in the sample vial in the laboratory prior to sampling and brought to the sampling site. Simultaneously with the sample vial
Cover and seal, then transport it back to the laboratory with the sample, and test it in the same way as the sample, for inspection from sample collection to analysis
Whether the process is contaminated.
4 Principle of the method
The volatile organic compounds in the sample are enriched in the trap tube by high-purity helium (or nitrogen) purge, and the trap tube is heated and reversed with high purity helium gas.
The components which are blown and thermally desorbed enter the gas chromatograph and are separated, and then detected by a mass spectrometer. By comparing with the standard mass spectrum of the target to be tested
The comparison and retention time were qualitative and the internal standard method was used for quantification.
5 reagents and materials
5.1 Blank reagent water. double distilled water or water prepared by pure water equipment.
A blank test is required before use to confirm that there is no interference peak in the retention time interval of the target or that the target substance is rich.
The degree is below the method detection limit.
5.2 Methanol (CH3OH). Analytical grade of pesticide residues.
5.3 Standard stock solution. ρ = 1 000 ~ 5 000 mg/L.
Commercially available certified standard solutions can be purchased directly or formulated with standard materials.
5.4 Standard use solution. ρ=10.0～100.0 mg/L.
Standard use of volatile targets such as dichlorodifluoromethane, methyl chloride, trichlorofluoromethane, ethyl chloride, methyl bromide and vinyl chloride
Prepared separately, the shelf life is usually one week, the standard use of other target materials is one month, or according to the manufacturer's instructions.
5.5 Internal standard solution. ρ=25 μg/ml.
Fluorobenzene, chlorobenzene-D5 and 1,4-dichlorobenzene-D4 should be used as internal standards. Can be purchased directly from commercially available certified standard solutions, or with high quality
Formulated in a standard solution.
5.6 Alternative standard solution. ρ = 25 μg/ml.
Dibromofluoromethane, toluen......
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