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GB/T 34550.3-2017: Method for evaluation of cooling seawater treatment agents -- Part 3: Determination of inhibiting microbes performance
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| GB/T 34550.3-2017 | English | 279 |
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Method for evaluation of cooling seawater treatment agents -- Part 3: Determination of inhibiting microbes performance
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GB/T 34550.3-2017
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Basic data | Standard ID | GB/T 34550.3-2017 (GB/T34550.3-2017) | | Description (Translated English) | Method for evaluation of cooling seawater treatment agents -- Part 3: Determination of inhibiting microbes performance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 07.060; 77.060 | | Word Count Estimation | 14,178 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-01-01 | | Quoted Standard | GB/T 6682; GB/T 12763.6-2007; GB 17378.7-2007; HY/T 176-2014; HY/T 177-2014 | | Regulation (derived from) | National Standard Notice 2017 No. 23 | | 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 standard specifies the method of determination of inhibition of seaweed cooling water treatment agent bacteria and algae. This section applies to seawater cooling water treatment of bacteria and algae inhibition of the determination of performance. | GB/T 34550.3-2017: Method for evaluation of cooling seawater treatment agents -- Part 3: Determination of inhibiting microbes performance
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Method for evaluation of cooling seawater treatment agents - Part 3. Determination of inhibited microbes performance
ICS 07.060; 77.060
A29
National Standards of People's Republic of China
Evaluation of performance of seawater cooling water treatment chemicals
Part 3. Determination of inhibitory properties of bacteria and algae
Part 3.Determinationofinhibitingmicrobesperformance
2017-09-29 Posted
2018-01-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 method principle 2
5 Reagents and materials 2
6 instruments and equipment 2
7 sample 3
Preparation and packaging of samples 4
9 Sample sterilization treatment 4
10 result calculation 5
11 Quality Assurance and Control 5
Appendix A (Normative) f/2 medium 6
Appendix B (Normative) Part of the common neutralizing agent for bacteria and algae inhibitors 8
Appendix C (normative) sample enrichment culture method 9
References 11
Foreword
GB/T 34550 "seawater cooling water treatment agent performance evaluation method" is divided into four parts.
--- Part 1. Determination of corrosion inhibition;
--- Part 2. Determination of scale inhibition;
--- Part 3. Determination of inhibitory properties of bacteria and algae;
--- Part 4. Dynamic simulation test.
This section GB/T 34550 Part 3.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by the State Oceanic Administration.
This part of the National Marine Standardization Technical Committee (SAC/TC283) centralized.
This part of the drafting unit. State Oceanic Administration Tianjin Institute of seawater desalination and utilization, Zhejiang Guohua Zheneng Power Generation Co., Ltd.
The main drafters of this section. Liya Hong, Chen Shangbing, Zhao Xiaofang, Zhang Yi, Zhou Zheng, Wu Pengjie, Yuan Hao.
Evaluation of performance of seawater cooling water treatment chemicals
Part 3. Determination of inhibitory properties of bacteria and algae
1 Scope
GB/T 34550 provisions of this part of the seawater cooling water treatment bacteria bacteria algae inhibition performance measurement method.
This section applies to seawater cooling water treatment of bacteria and algae inhibition of the determination of performance.
2 Normative references
The following documents for the application of this document is essential. 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.
GB/T 6682 analytical laboratory water specifications and test methods
Marine survey code - Part 6. Marine life survey
GB 17378.7-2007 Marine monitoring code Part 7. Offshore Pollution Ecological Survey and Biological Monitoring
Determination of iron bacteria in seawater by MPN method
Determination of sulfate - reducing bacteria in seawater by MPN method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Seawater cooling water treatment agent coolingseawatertreatmentagent
Seawater Cooling water treatment chemicals used in the process.
Note. Generally include seawater corrosion inhibitors, scale inhibitor and dispersant, bacteria and algae inhibitors.
3.2
Bacteria algae inhibitor microbicide
Chemical compounds that inhibit or kill bacterial vegetative cells, fungal vegetative cells and spores, unicellular algae and protozoa.
3.3
Biofilm biofilm
Micro-organisms in the cooling system solid-liquid interface within the solid surface growth and reproduction of the membrane formed.
3.4
Microbial slime microbialbiofouling
Microbes and their secreted mucus mixed with other organic and inorganic impurities viscous substances.
3.5
Chen Hai water agedseawater
Take natural seawater dark to preserve more than 3 months, when using the supernatant or 0.45μm filter membrane filtrate.
[GB/T 12763.6-2007, definition 6.3.2.1.1]
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