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Basic dataStandard ID: GB 17378.4-2007 (GB17378.4-2007)Description (Translated English): The specification for marine monitoring -- Part 4: Seawater analysis Sector / Industry: National Standard Classification of Chinese Standard: A45 Classification of International Standard: 07.060 Word Count Estimation: 170,154 Date of Issue: 2007-10-18 Date of Implementation: 2008-05-01 Older Standard (superseded by this standard): GB 17378.4-1998 Quoted Standard: GB/T 12763.2; GB/T 12763.4; GB 17378.2; GB 17378.3; HY/T 07-1992 Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2007 (total 112) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This Chinese standard applies to analysis of the water monitoring project method, seawater analysis sample collection, storage, transport, computing, measurement results presented technical regulations and requirements. This standard applies to the ocean, coastal, estuarine and brackish waters. Can be used for marine environmental monitoring, routine water quality monitoring, shallow waters pollution survey and monitoring, and ocean dumping, dredged material, red tides and marine pollution incidents GB 17378.4-2007: The specification for marine monitoring -- Part 4: Seawater analysis---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.The specification for marine monitoring.Part 4. Seawater analysis ICS 07.060 A45 National Standards of People's Republic of China Replacing GB 17378.4-1998 Marine monitoring Part 4. Seawater Analysis Posted 2007-10-18 2008-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsIntroduction Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 1 General Provisions Mercury 2 5 5.1 Atomic Fluorescence Spectrometry 2 5.2 Cold atomic absorption spectrophotometry 4 5.3 Gold trapping Cold Atomic Absorption Spectrometry 6 6 10 Copper 6.1 flameless atomic absorption spectrophotometry (continuous determination of copper, lead and cadmium) 10 6.2 anodic stripping voltammetry (Continuous determination of copper, lead and cadmium) 12 6.3 Flame Atomic Absorption Spectrometry 13 7 lead 15 7.1 flameless atomic absorption spectrophotometry 15 15 7.2 anodic stripping voltammetry 7.3 Flame Atomic Absorption Spectrometry 15 8 Cd 17 8.1 flameless atomic absorption spectrophotometry 17 17 8.2 anodic stripping voltammetry 8.3 Flame Atomic Absorption Spectrometry 17 9 Zinc 19 9.1 Flame Atomic Absorption Spectrometry 19 21 9.2 anodic stripping voltammetry 10 Total chromium 22 10.1 flameless atomic absorption spectrophotometry 22 10.2 diphenyl hydrazine spectrophotometry 24 Arsenic 11 26 11.1 Atomic Fluorescence Spectrometry 26 11.2 arsine - Spectrophotometry 28 silver nitrate 11.3 hydride generation atomic absorption spectrophotometry 30 11.4 catalytic polarography 32 12 Selenium 35 12.1 fluorospectrophotometry 35 12.2 diaminobenzidine spectrophotometry 37 12.3 catalytic polarography 39 13 42 Oil 13.1 fluorospectrophotometry 42 13.2 UV spectrophotometry 44 13.3 gravimetric method 45 14 666, DDT --- Gas Chromatography 47 PCBs 15 50 --- Gas Chromatography 16 Dieldrin --- GC 54 17 57 active silicate 17.1 silicon molybdenum yellow 57 17.2 silicon-molybdenum blue method 59 Sulphides 18 60 18.1 60 Methylene blue spectrophotometric method 18.2 Ion Selective Electrode 64 19 --- 4-amino-phenol volatile antipyrine spectrophotometric method 67 20 Cyanide 70 20.1 isonicotinic acid - pyrazolone spectrophotometric method 70 20.2 Pyridine - barbituric acid spectrophotometric 73 Colorimetric color --- 75 21 22 Transparency --- transparent disk Act 76 23 anionic detergent --- Methylene blue spectrophotometric method 76 24 --- taste and olfactory senses Act 78 Water temperature 79 25 25.1 SST table method 79 25.2 reversed thermometer method 80 26 pH-pH meter method 83 27 suspension --- gravimetric method 88 28 --- silver chloride titration 91 29 Salinity 92 29.1 salinometer Act 92 29.2 thermohaline deep instrument (CTD) Act 95 Turbidity 95 30 30.1 turbidity meter method 95 30.2 Visible turbidimetric method 96 98 30.3 spectrophotometry DO 99 31 --- Iodimetry 32 --- alkaline potassium permanganate COD 101 33 BOD 103 33.1 five days incubation (BOD5) 105 33.2 two-day culture (BOD2) 103 TOC 34 105 105 34.1 Total Organic Carbon Instruments Act 34.2 persulfate oxidation method 107 35 109 inorganic nitrogen 36 109 ammonia 36.1 indophenol blue spectrophotometry 109 36.2 hypobromite oxidation 111 37 nitrite --- naphthylethylenediamine spectrophotometry 113 38 Nitrate 115 38.1 Cadmium Reduction Method 115 38.2 zinc - cadmium reduction method 117 39 117 inorganic phosphorus 39.1 Phosphorus Molybdenum Blue spectrophotometry 117 39.2 Extraction of phosphorus molybdenum blue spectrophotometric method 119 40 TP --- persulfate oxidation method 120 41 TN --- persulfate oxidation method 121 42 Ni --- flameless atomic absorption spectrophotometry 121 Appendix A (normative) record table 123 Appendix B (normative) water sample collection, storage and transport 156 Annex C (informative) limit of detection 160 Preparation of Annex D (informative) working copy standard seawater 162 Figure 1 cold vapor atomic absorption mercury means 5 Figure 2 gold cold vapor atomic absorption mercury trapping device 8 Figure 3 arsine generation - absorbing means 29 4 alkaline hydrolysis reflux device 52 Figure 5 hydrogen sulfide aerator 63 6 surface water temperature gauge 79 Figure 7 Determination of suspended solids operational processes 89 8 89 filtration system Carbon dioxide measurement device 108 in FIG. 9 Table 2 olfactory and taste intensity level 78 Table 3 Main specifications of the primary and secondary temperature 80 Table 4 counter correction value (α) table (linked to water sampling Used) 81 Table of pH 5 0 ℃ ~ 45 ℃ standard buffer material 85 Table 7 pH measured pressure correction coefficient β Table 86 Table 8 pH ~ αH + conversion table 87 Table 9 Salt error correction coefficient table 111 Table A. 1 Sample Analysis Quality Standards (work) curve data record (atomic fluorescence spectrometry) 123 Table A. 2 Water sample analysis records (atomic fluorescence spectrometry) 124 Table A. 3 Water sample analysis standard (work) curve data record (spectrophotometry) 125 Table A. 4 Water sample analysis records (spectrophotometry) 126 Table A. 5 Water sample analysis standard (work) curve data record (flameless atomic absorption spectrophotometry) 127 Table A. 6 Water sample analysis records (flameless atomic absorption spectrophotometry) 128 Table A. 7 Water sample analysis records (anodic stripping voltammetry) 129 Table A. 8 Water sample analysis standard (work) curve data record (atomic absorption spectrophotometry) 130 Table A. 9 Water sample standard (work) curve data record (Polarography) 131 Table A. 10 Water sample analysis records (Polarography) 132 Table A. 11 Water sample analysis standard (work) curve data recording (fluorescence spectroscopy) 133 Table A. 12 Water sample analysis recording (fluorescence spectroscopy) 134 Table A. Water sample analysis 13 Oil Record (gravimetric method) 135 Table A. 14 water quality samples 666, DDT, dieldrin analysis records (GC) 136 Table A. Water samples were analyzed PCB 15 records (GC) 137 Table A. 16 Water samples Nutrient analysis records (spectrophotometry) 138 Table A. 17 Water sample analysis of sulfide standard (work) curve data record (sulfide ion selective electrode) 139 Table A. 18 Water sample analysis records sulfide (sulfide ion selective electrode) 140 Table A. 19 observation surface thermometer record table 141 Table A. 20 temperature observation records table 142 Table A. 21 temperature observation record table 143 Table A. 22 pH measurement records (method) 144 Table A. 23 seawater suspended solids analysis records (gravimetric method) 145 Table A. 24 Water sample analysis records chloride (silver titration) 146 Table A. 25 Water salinity measurement sample record (salinity meter method) 147 Table A. 26 Water samples analyzed turbidity standard curve data records (law) 148 Table A. 27 Water sample turbidity measurement record (method) 149 Table A. 28 Dissolved Oxygen Water Sample Analysis Record (iodometry) 150 Table A. 29 water samples COD analysis records (alkaline potassium permanganate) 151 Table A. 305, the biochemical oxygen demand analysis records (5th 20 ℃ culture) 152 Table A. Analysis of total organic carbon in seawater 31 record (instrument method) 153 Table A. 32 marine environmental monitoring water quality report 154 Table A. 33 water samples sampling records 155 Table B. 1 Water sampler volume and save 156 Table C. Determination of the detection limit of 1 160ForewordAll technical content in this section is mandatory. GB 17378 "marine monitoring" is divided into seven parts. --- Part 1. General; --- Part 2. Data processing and analysis of quality control; --- Part 3. Sample collection, storage and transport; --- Part 4. Seawater analysis; --- Part 5. Sediment analysis; --- Part 6. Analysis of the organism; --- Part 7. Ecological survey of offshore pollution and biological monitoring. This section GB Part of 417,378, instead of GB 17378.4-1998 "specification for marine monitoring Part 4. Seawater Analysis." This section compared with GB 17378.4-1998 main changes are as follows. --- Water sample collection, storage and transport adjusted normative appendix (1998 Version 4.3; edition of Appendix B); --- The detection limit adjustment is an informative annex (1998 edition Chapter 5; edition Appendix C); --- Increased mercury atomic fluorescence assay (see 5.1); --- Canceled mercury dithizone spectrophotometry (1998 edition 6.2); --- Modified flameless atomic copper, lead and cadmium absorption spectrophotometry, adjusted to copper, lead and cadmium continuous assay (1998 Edition of 7.1,8.1,9.1; this edition 6.1,7.1,8.1); --- Canceled copper diethyldithiocarbamate sodium spectrophotometry (1998 Version 7.4); --- Canceled the lead dithizone spectrophotometry (1998 edition 8.4); --- Canceled cadmium dithizone spectrophotometry (1998 edition 9.4); --- Canceled zinc dithizone spectrophotometry (1998 edition 10.3); --- Increased arsenic atomic fluorescence assay (see 11.1); --- Cyclohexane modified oils extracted fluorescence spectrophotometry (1998 edition 14.1; 13.1 edition); --- Canceled Freon - cyclohexane extraction system fluorescence spectrophotometry (1998 edition 14.2); Modify the visual method is transparency - - --- transparency transparent disk Act (the 1998 edition 23.1; 22 edition); --- Canceled pH of pH colorimetric (1998 edition 27.2); --- Increasing the salinity of the thermohaline deep instrument (CTD) assay (see 29.2); --- Increased TOC TOC instrument assay (see 34.1); --- Increased TP persulfate oxidation assay (see Chapter 40); --- Increasing the total nitrogen persulfate oxidation assay (see Chapter 41); --- Increased nickel flameless atomic absorption spectrophotometry (see Chapter 42); --- Appendix A revised and improved and adjusted to the normative appendix (Appendix A of the 1998 edition; edition of Appendix A); --- Appendix B is an informative annex Adjustment (1998 edition Appendix B; this edition of Appendix D). This part of the Appendix A and Appendix B are normative appendices, Appendices C and D are informative appendices. This part by the State Oceanic Administration. This part of the National Standardization Technical Commission for Oceanography (SAC/TC283) centralized. This section drafted by. National Marine Environmental Monitoring Center. The main drafters of this section. mountain - foot plain, Xuheng Zhen, Yu Tao, He Guangkai, Zhaoyun Ying, Zhang Guoguang, Shang Longsheng, Sun Qian, Wu Qing, Chen Shumei, Han Dragon, Guan Tao Ming Ong Jian Guo, Zhang Chunming, Xukun Can, Chen Weiyue, Chen Banglong war Xiuwen. This part of the standard replaces the previous editions are. --- GB 17378.4-1998. Marine monitoring Part 4. Seawater Analysis1 ScopeGB 17378 of the provisions of this part of the analysis of the water monitoring program for the analysis of sea water sample collection, storage, transportation, measurement results If the calculation proposed technical regulations and requirements. This section applies to oceans, coastal waters, estuaries and brackish waters mixed. It can be used for marine environmental monitoring, water quality monitoring routine, nearshore shallow waters Environmental pollution investigation and monitoring, as well as marine dumping, dredged material, red tides and marine pollution accident emergency monitoring and special investigations related to the sea ocean Marine environment investigation and monitoring.2 Normative referencesThe following documents contain provisions which, through reference in this Part of GB 17378, constitute provisions of this part. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 12763.2 specification for oceanographic survey - Part 2. Marine hydrographic observations GB/T 12763.4 specification for oceanographic survey - Part 4. Chemical elements Marine Survey GB 17378.2 specification for marine monitoring Part 2. Data processing and quality control analysis GB 17378.3 specification for marine monitoring Part 3. Sample collection, storage and transportation HY/T 07-1992 reversed thermometer3 Terms and DefinitionsThe following terms and definitions apply to this part of GB 17378. 3.1 Using 0.45μm fiber membrane filter water. 3.2 Metering vessel volume mark.4 General Provisions4.1 reagents, solvents, membrane purification and treatment 4.1.1 ammonia isothermal diffusion method Purification. each containing ammonia and high water on the glass container division dryer separator or lower deck, Closed place. Diffusion time depends on temperature may be about 1 week to 2 weeks. 4.1.2 chloroform, carbon tetrachloride purification. the opening of the new solvent can be a simple process that added 200mL of hydrochloric acid per liter of solvent Hydroxylamine solution (0.5% volume fraction), shaking in a separatory funnel and washed aqueous phase was discarded, and washed with water once, dried over filter paper Filter can be. If the recovery of waste as a solvent or after the above-described method of treatment is still not eligible, instead dismount treatment. Pour the solvent into the distillation flask to half Full, plus the amount of sodium sulfite solution (10% volume fraction) overlying the upper right amount, for the first time distillation, then transferred to another clean retort Added solid calcium oxide second distillation, the distillate was discarded early a little, then take distillate, stored in a brown bottle. If the solvent is chloroform, can be added 1% by volume of ethanol, to increase its stability. 4.1.3 0.45μm fiber membrane treatment. polyethylene film coated with stainless steel tweezers pinching the edge of the membrane, and one by one to a vertical downward dip Hydrochloric acid solution into 0.5mol/L, at least 12h. Rinsed with pure water to neutral, sealed and set aside. 4.2 Description 4.2.1 standard blank (A0) and analysis of the blank (A Chou) deduction Save Ab calibration curve read or search curve, but only the same batch feasible; if the blank value (A0 and Ab) is very stable and can be extended by one week. Note 1. Aw. water sample absorbance (signal) value; Note 2. Ab. Analysis Blank absorbance values; Charles read the curve after Ab. 4.2.1.3 linear regression equation above provisions shall also be. 4.2.1.4 atomic absorption determination of gas chromatography, electrochemistry, with reference to the above provisions. 4.2.2 Error correction salt Salt error (error caused by different ionic strength) correction, application of clean seawater dilution volume standard series; if using pure water should be given Correction factor; known that certain correction factor (such as silicon, ammonia) subject to environmental impact and water fluctuations, the user should be based on measured results as necessary Correction. 4.2.3 Water sample volume correction When the amount of water samples taken before the sample is added to the aqueous reagent solution than 1% by volume, according to equation (1) Volume Correction. Vp = Vp 1 Vp Vp 2 3 Vp 1+ (1) Where. After Vp --- correction water sample volume in milliliters (mL); Vp 1 --- original water sample volume in milliliters (mL); Take 3 --- Vp measured amount of water sample volume in milliliters (mL); Vp 2 --- reagent was added solution volume, in milliliters (mL). 4.2.4 verification test methods Water temperature, salinity, water color, transparency, pH, chloride, COD, ammonia hypobromite method is equivalent to using domestic and foreign-based test methods Classical method, its performance most cited in the document, no further verification. 4.2.5 relative deviation limit between the parallel samples and natural samples spiked recoveries Repeat to determine the relative deviation limit and natural recoveries were between parallel samples, if not specified in the original method, in accordance with Implementation of the provisions of GB 17378.2.5 Mercury5.1 Atomic Fluorescence Spectrometry 5.1.1 Scope and Application Suitable for ocean, coastal and estuarine area measuring mercury in seawater. This method is a method of arbitration. 5.1.2 The principle of the method Water samples by sulfuric acid - potassium persulfate digested, potassium borohydride reducing agent in the role of mercury ions are reduced to elemental mercury. With argon as a carrier Gas mercury vapor atomic fluorescence spectrometer into the atomizer, with special mercury hollow cathode lamp as the excitation source, the determination of mercury atomic fluorescence strength. 5.1.3 Reagents and preparation 5.1.3.1 Sulfate. technology ultrapure, ρ = 1.84g/mL. 5.1.3.2 Nitrate. excellent pure, ρ = 1.42g/mL. 5.1.3.3 hydroxylamine hydrochloride (NH2OH · HCl). 5.1.3.4 potassium persulfate (K2S2O8). 5.1.3.5 potassium borohydride (KBH4). 5.1.3.6 potassium hydroxide (KOH). pure class distinctions. 5.1.3.7 hydroxylamine hydrochloride solution (100g/L). Weigh 25g hydroxylamine hydrochloride (see 5.1.3.3) was dissolved in water and dilute to 250mL. 5.1.3.8 persulfate solution (50g/L). Weigh 50g of potassium persulfate (see 5.1.3.4) dissolved in water and diluted to 1000mL. 5.1.3.9 sulfuric acid solution. Under stirring, 28mL sulfuric acid (see 5.1.3.1) is slowly added 500mL of water, diluted To 1000mL. 5.1.3.10 nitric acid solution (1 + 19). A 50mL nitric acid (see 5.1.3.2) slowly added to 1000mL water. 5.1.3.11 KBH4 solution (0.05g/L). Weigh 1g of potassium hydroxide (5.1.3.6 The) was dissolved in 200mL of water was added 0.5g borohydride Potassium (see 5.1.3.5) dissolved, take 20mL diluted with water to 1000mL. 5.1.3.12 mercury standard stock solution (1.00mg/mL). Weigh accurately 0.1354g mercury (HgCl2, excellent pure chloride, sulfuric acid previously dry Dryer placed 24h or more) in 50mL clean beaker, dissolved with a small amount of nitric acid solution (see 5.1.3.10), the total amount transferred 100mL flask with a nitric acid solution (see 5.1.3.10) set the volume to the mark, and mix. 5.1.3.13 mercury intermediate standard solution (10.0μg/mL). Pipette 1.00mL mercury standard stock solution (see 5.1.3.12) into 100mL Flask, add nitric acid solution (see 5.1.3.10) to the mark and mix. 5.1.3.14 mercury intermediate standard solution (0.100μg/mL). Pipette 1.00mL mercury intermediate standard solution (see 5.1.3.13) into 100mL Flask, add nitric acid solution (see 5.1.3.10) to the mark and mix. 5.1.3.15 use mercury standard solution (10.0ng/mL). Pipette 10.00mL mercury intermediate standard solution (see 5.1.3.14) into 100mL Flask, add nitric acid solution (see 5.1.3.10) to the mark, and mix (when using the formulation). 5.1.4 instruments and equipment Instruments and equipment are as follows. --- Atomic fluorescence spectrometer; --- Volumetric flask. capacity 100mL, 1000mL; --- Pipette. Volume 1mL, 2mL, 5mL, 10mL; --- Beaker. Capacity 50mL, 1000mL; --- Standing general laboratory instruments and equipment. 5.1.5 Analysis of step 5.1.5.1 standard curve 5.1.5.1.1 measure 0mL, 0.25mL, 0.50mL, 1.00mL, 2.00mL, 4.00mL, 8.00mL mercury stand......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 17378.4-2007_English be delivered?Answer: Upon your order, we will start to translate GB 17378.4-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 9 ~ 13 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 17378.4-2007_English with my colleagues?Answer: Yes. The purchased PDF of GB 17378.4-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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