CJ/T 51: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| CJ/T 51-2018 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Examination methods for municipal sewage
| Valid |
CJ/T 51-2018
|
| CJ/T 51-2004 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Methods for the examination of municipal sewage
| Obsolete |
CJ/T 51-2004
|
| CJ/T 51-1999 | English | 199 |
Add to Cart
|
2 days [Need to translate]
|
Municipal sewage. Determination of pH. Potentiometric method
| Obsolete |
CJ/T 51-1999
|
PDF similar to CJ/T 51-2018
Standard similar to CJ/T 51-2018 HJ 57 HJ/T 70 HJ/T 56 CJJ 51 Basic data | Standard ID | CJ/T 51-2018 (CJ/T51-2018) | | Description (Translated English) | Examination methods for municipal sewage | | Sector / Industry | Urban Construction Industry Standard (Recommended) | | Classification of Chinese Standard | Z23 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 227,232 | | Date of Issue | 2018-06-12 | | Date of Implementation | 2018-12-01 | | Older Standard (superseded by this standard) | CJ/T 51-2004 | | Quoted Standard | CJ/T 96-2013; HJ 493; HJ 494 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement No. 117 of 2018 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the water temperature, color, pH, suspended solids, easy to sink solids, total solids, five-day biochemical oxygen demand, chemical oxygen demand, oil, cyanide, total cyanide, sulfides. Determination of 62 items such as sulfate, fluoride, volatile phenol and aniline. This standard applies to the determination of urban sewage water quality indicators. | CJ/T 51-2018: Examination methods for municipal sewage---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Examination methods for municipal sewage
ICS 13.060.30
Z23
People's Republic of China urban construction industry standards
Replacing CJ/T 51-2004
Urban sewage water quality standard test method
Published on.2018-06-12
2018-12-01 implementation
Ministry of Housing and Urban-Rural Development
Content
Foreword V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Water temperature measurement thermometer method 1
5 Determination of chromaticity 2
5.1 dilution factor 2
5.2 Platinum cobalt standard colorimetric method 3
6 pH measurement potentiometer method 4
7 Determination of suspended solids Gravimetric method 5
8 Determination of volume of easy-to-sink solids 6
9 Determination of dissolved solids Gravimetric method 7
10 Determination of total solids Weight method 8
11 Determination of heat-resistant coliforms Enzyme substrate method 9
12-Day 5 Determination of Biochemical Oxygen Demand Dilution and Inoculation Method 12
13 Determination of chemical oxygen demand - Potassium dichromate method 15
14 Determination of permanganate index by continuous flow analysis 17
15 Determination of oil weight method 20
16 Determination of cyanide 21
16.1 Isonicotinic acid-pyrazolone spectrophotometry 21
16.2 Silver Method 24
17 Determination of total cyanide Pyridine-barbituric acid spectrophotometric method 25
18 Determination of sulfides 29
18.1 p-Amino N,N-dimethylaniline spectrophotometry 29
18.2 Capacity Method 32
19 Determination of sulfates 33
19.1 Gravimetric Method 33
19.2 Barium chromate volumetric method 35
19.3 Ion Chromatography 37
20 Determination of fluoride 39
20.1 Ion-selective electrode method (standard addition method) 39
20.2 Ion Selective Electrode Method (Standard Series Method) 40
20.3 Ion Chromatography 41
21 Determination of chloride 43
21.1 Silver method 43
21.2 Ion Chromatography 45
22 Determination of total residual chlorine on-site assay 46
23 Determination of ammonia nitrogen 47
23.1 Nessler Reagent Spectrophotometry 47
23.2 Capacity Method 49
24 Determination of nitrite nitrogen 51
24.1 Spectrophotometry 51
24.2 Ion Chromatography 53
25 Determination of nitrate nitrogen 55
25.1 Ultraviolet spectrophotometry 55
25.2 Electrode Method 57
25.3 Ion Chromatography 58
26 Determination of total nitrogen 60
26.1 Post-distillation titration 60
26.2 Spectrophotometry after distillation 62
26.3 Alkaline potassium persulfate digestion UV spectrophotometry 63
27 Determination of total phosphorus 65
27.1 Ascorbic acid reduction molybdenum blue spectrophotometry 65
27.2 Stannous chloride reduction spectrophotometry 67
27.3 High-pressure digestion of potassium persulfate - stannous chloride spectrophotometry 68
28 Determination of total organic carbon Non-dispersive infrared method 70
29 Determination of soluble phosphates 72
29.1 Stannous chloride spectrophotometric method 72
29.2 Ion Chromatography 73
30 Determination of organophosphorus 74
30.1 FPD flame photometric method for gas chromatography 74
30.2 Solvent Extraction - Capillary Column Gas Chromatography 77
31 Determination of volatile phenols 81
31.1 Trichloromethane extraction method 81
31.2 Direct spectrophotometry 83
Determination of pentachlorophenol by headspace solid phase microextraction gas chromatography 84
33 Determination of formaldehyde AHMT spectrophotometric method 87
34 Determination of anilines - Azo spectrophotometric method 89
35 Determination of benzene series 91
35.1 Gas Chromatography 91
35.2 Headspace-Capillary Column Gas Chromatography 93
36 Determination of Benzene and Chlorohydrocarbons Purge and Trap - Gas Chromatography Mass Spectrometry 97
Determination of nitrobenzenes - Reduction-azo spectrophotometric method 105
38 Determination of anionic surfactants 107
38.1 High Performance Liquid Chromatography 107
38.2 Methylene blue spectrophotometry 109
39 Determination of total copper 111
39.1 Diethyldithiocarbamate spectrophotometric method 111
39.2 Direct flame atomic absorption spectrometry 113
39.3 Chelating Extraction Flame Atomic Absorption Spectrometry 115
39.4 Inductively coupled plasma optical emission spectrometry 116
40 Determination of total zinc 118
40.1 Dithizone spectrophotometric method 118
40.2 Direct flame atomic absorption spectrometry 120
40.3 Chelating Extraction Flame Atomic Absorption Spectrometry 122
40.4 Inductively coupled plasma optical emission spectrometry 123
41 Determination of total mercury 125
41.1 Cold atomic absorption spectrophotometry 125
41.2 Atomic Fluorescence Spectrometry 127
42 Determination of total lead 128
42.1 Dithizone spectrophotometric method 128
42.2 Direct flame atomic absorption spectrometry 130
42.3 Chelating Extraction Flame Atomic Absorption Spectrometry 132
42.4 Atomic Fluorescence Spectrometry 133
42.5 Graphite furnace atomic absorption spectrophotometry 135
42.6 Inductively coupled plasma optical emission spectrometry 137
43 Determination of total chromium 138
43.1 Diphenylcarbazide spectrophotometric method 138
43.2 Direct flame atomic absorption spectrometry 140
43.3 Inductively coupled plasma optical emission spectroscopy 142
Determination of hexavalent chromium diphenylcarbazide spectrophotometric method 144
45 Determination of total cadmium 145
45.1 Dithizone spectrophotometric method 145
45.2 Direct flame atomic absorption spectrometry 148
45.3 Chelating Extraction Flame Atomic Absorption Spectrometry 149
45.4 Graphite furnace atomic absorption spectrophotometry 151
45.5 Inductively coupled plasma optical emission spectroscopy 152
46 Determination of total arsenic 154
46.1 Silver Diethyldithiocarbamate Spectrophotometry 154
46.2 Atomic Fluorescence Spectrometry 156
46.3 Inductively coupled plasma optical emission spectrometry 158
47 Determination of total selenium 160
47.1 Atomic Fluorescence Spectrometry 160
47.2 Inductively coupled plasma optical emission spectrometry 161
48 Determination of total 163163
48.1 Atomic Fluorescence Spectrometry 163
48.2 Inductively coupled plasma optical emission spectrometry 165
49 Determination of total nickel 166
49.1 Direct flame atomic absorption spectrometry 166
49.2 Inductively coupled plasma optical emission spectrometry 168
50 Determination of total manganese 170
50.1 Direct flame atomic absorption spectrometry 170
50.2 Inductively Coupled Plasma Atomic Emission Spectrometry 171
51 Determination of total iron 173
51.1 Direct flame atomic absorption spectrometry 173
51.2 Inductively coupled plasma optical emission spectroscopy 175
52 Determination of total potassium by inductively coupled plasma atomic emission spectrometry 176
53 Determination of total sodium by inductively coupled plasma atomic emission spectrometry 178
54 Determination of total calcium by inductively coupled plasma emission spectrometry 180
55 Determination of total magnesium - Inductively coupled plasma spectroscopy
Determination of total aluminium - Inductively coupled plasma atomic spectroscopy
57 Total enthalpy determination Inductively coupled plasma optical emission spectrometry 184
58 Determination of total strontium, total silver, strontium, total nickel, total cadmium, total lead - Inductively coupled plasma mass spectrometry 187
59 Black odor water test method 192
59.1 Determination of dissolved oxygen Iodometric method or electrode method 192
59.2 Determination of transparency Plug-in method 192
59.3 Determination of redox potentials Potentiometric method 193
Appendix A (Normative) Effect of temperature on the pH of a standard solution 196
Appendix B (Normative) The use and washing methods of sand core 197
Appendix C (Normative) Separation of suspended solids 198
Appendix D (Normative) The most probable number of different positive results for the 51-well quantitative disk method (MPN).199
Appendix E (Normative) The most probable number of positive results for different wells (MPN)
Appendix F (Normative Appendix) Iodometric Determination of Dissolved Oxygen 207
Appendix G (Normative) Electrode method for the determination of dissolved oxygen 209
Appendix H (Normative) UV spectrophotometric method for the determination of oil 211
Appendix I (Normative) Preparation and Calibration of Sulfuric Acid Standard Titration 213
Appendix J (Normative Appendix) Potassium Persulfate Digestion Method at Normal Pressure 214
Appendix K (informative) Purification of triphenylphosphine 215
Appendix L (normative appendix) Concentration calibration of phenol stock solution, sodium thiosulfate, formaldehyde 216
Appendix M (Normative) Estimation and Control of Nash Spectrophotometric Blank Values 218
Appendix N (informative) Carbon Dioxide Extraction 219
Appendix O (Normative Appendix) Metal Total Microwave Digestion Pretreatment Method 220
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces CJ/T 51-2004 "Urban Sewage Water Quality Inspection Method Standard", compared with CJ/T 51-2004, the main technical content
The changes are as follows.
--- Increased the determination of chromaticity by the platinum-cobalt standard colorimetric method;
--- Increased the determination of heat-resistant coliforms by the enzyme substrate method;
--- Increased the determination of permanganate index by continuous flow analysis;
--- Added on-site measurement of total residual chlorine;
--- Added solvent extraction-capillary column gas chromatography for the determination of organic phosphorus;
--- Increased the determination of pentachlorophenol by headspace solid phase microextraction gas chromatography;
--- The addition of 4-amino-3- cis-amino-5-mercapto-1,2,4-triazole (AHMT) spectrophotometric method for the determination of formaldehyde;
--- Increased the determination of benzene series by headspace-capillary column gas chromatography;
--- Increased the determination of benzene series by purge and trap/gas chromatography-mass spectrometry;
--- Increased the number of chlorinated hydrocarbons (trichloromethane, carbon tetrachloride, trichloroethylene, tetrachloroethylene) by purge and trap/gas chromatography-mass spectrometry
Determination
--- Added methylene blue spectrophotometry of anionic surfactants;
--- Increased the determination of total enthalpy by inductively coupled plasma optical emission spectroscopy;
--- Increased determination of total strontium, total silver, strontium, total nickel, total cadmium, and total lead by inductively coupled plasma mass spectrometry;
--- Increased the determination of dissolved oxygen, transparency and redox potential in black odorous water;
--- Increased the total amount of urban sewage metal microwave digestion pretreatment method.
This standard also made the following editorial changes.
--- Modified the standard name.
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Municipal Water Supply and Drainage Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. Guangzhou Urban Drainage Monitoring Station, Shanghai Urban Drainage Monitoring Station, China Guangzhou Analytical Testing Center, Beijing
Urban Drainage Monitoring Station, Shandong Urban Water Supply and Drainage Water Quality Monitoring Center, Tianjin Urban Drainage Monitoring Station, Qingdao Urban Drainage Monitoring Station,
Zhuhai Water Quality Monitoring Center, Shijiazhuang City Drainage Monitoring Station, Nanjing Urban Drainage Monitoring Station, Kunming Urban Drainage Monitoring Station, Jinan
University Analytical Testing Center.
The main drafters of this standard. Sun Lei, Tan Wei, Chen Lingyun, Li Jianbin, Su Liukun, Jia Ruibao, Zhang Huafang, Sun Yuli, He Jie, Wu Mengli,
He Ling, Xu Xinpei, Ji Bin, Gao Wei, Tang Yuxi, Chen Jie, Xia Xiaoping, Wang Fei, Sun Yuhua, Jia Songtao, Zhang Xu, Chen Tingting, Wang Jingjing, Lin Yi,
Huo Jing, Ma Mingyang, Wang Mingquan, Wang Caiyun, Guan Xiaotao, Liang Yanhua, Li Yingwei, Dai Yongkang, Du Fu, Jiao Zepeng, Zhao Qinghua, Ye Jingjing,
Wu Hongwen, Liang Disi, Zhou Wenjun, Qiu Qiu, Zhang Qiyu, Pang Yukai, Chen Dong, Yao Wei, Dou Wenyuan, Huang Minghu.
The previous versions of the standards replaced by this standard are.
---CJ 26.1~CJ 26.29-1991;
---CJ/T 51~CJ/T 79-1999;
---CJ/T 51-2004.
Urban sewage water quality standard test method
1 Scope
This standard stipulates the water temperature, color, pH, suspended solids, easy to sink solids, total solids, and biochemical needs of the five days for urban sewage water quality testing methods.
Determination of 62 items such as oxygen content, chemical oxygen demand, oil, cyanide, total cyanide, sulfide, sulfate, fluoride, volatile phenol, and aniline.
This standard applies to the determination of urban sewage water quality indicators.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
CJ/T 96-2013 General Test Method for Chemical Characteristics of Domestic Waste
HJ493 Technical Regulations for Preservation and Management of Water Quality Samples
HJ494 Water Quality Sampling Technical Guidance
3 Terms and definitions
The following terms and definitions defined by CJ/T 96-2013 apply to this document.
3.1
Detection limit limitofdetection
A particular analytical method can detect the minimum or minimum amount of a substance to be tested from a sample within a given confidence level.
[CJ/T 96-2013, definition 3.2]
3.2
Precision precision
The degree of agreement between the results obtained by performing the test steps multiple times under defined conditions. The smaller the random error affecting the test results, the test
The precision of the test results is higher.
[CJ/T 96-2013, definition 3.4]
3.3
Accuracy
The degree to which the measured value matches the true value. Analyze by direct determination of standard samples or determination of standard sample recovery
Evaluation.
[CJ/T 96-2013, Definition 3.3]
4 Water temperature measurement thermometer method
4.1 Methods and principles
The mercury temperature is used to directly measure the water temperature of urban sewage. This method is only suitable for measuring the temperature of shallow water and the surface temperature of water.
4.2 Instruments and equipment
The mercury thermometer (-6 ° C ~ 40 ° C, the index value is 0.1 ° C) is installed in a special metal casing, the casing is open for thermometer reading
|