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Seawater quality requirements and analysis methods for seawater cooling system -- Part 1: Determination of calcium and magnesium
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Basic data
| Standard ID | GB/T 33584.1-2017 (GB/T33584.1-2017) |
| Description (Translated English) | Seawater quality requirements and analysis methods for seawater cooling system -- Part 1: Determination of calcium and magnesium |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Z17 |
| Classification of International Standard | 07.060; 13.060 |
| Word Count Estimation | 6,675 |
| Date of Issue | 2017-05-12 |
| Date of Implementation | 2017-12-01 |
| Quoted Standard | GB/T 6682; GB/T 12804; GB/T 12805; GB/T 12806; GB/T 12807; GB/T 12808 |
| 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 water quality requirements for seawater cooling and the determination of calcium and magnesium ions in seawater cooling water by EDTA complexometric titration. This standard is applicable to the determination of calcium content in water of 200 mg/L to 1 000 mg/L and 800 mg/L to 3 200 mg/L in seawater cooling water. |
GB/T 33584.1-2017: Seawater quality requirements and analysis methods for seawater cooling system -- Part 1: Determination of calcium and magnesium
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Seawater quality requirements and analysis methods for seawater cooling system - Part 1. Determination of calcium and magnesium
ICS 07.060; 13.060
Z17
National Standards of People's Republic of China
Water quality requirements for seawater cooling and analysis and detection
Part 1. determination of calcium and magnesium ions
Part 1. Determination ofcalciumandmagnesium
2017-05-12 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
GB/T 33584 "seawater cooling water quality requirements and analysis of detection methods" is divided into six parts.
Part 1. Determination of calcium and magnesium ions;
- Part 2. Determination of zinc;
- Part 3. Determination of chlorides;
- Part 4. Determination of sulphate;
- Part 5. Determination of dissolved solids;
Part 6. Determination of isobacteria.
This part is part 1 of GB/T 33584.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This section is presented by the State Oceanic Administration.
This part is headed by the National Marine Standardization Technical Committee (SAC/TC283).
This part of the drafting unit. State Oceanic Administration Tianjin desalination and comprehensive utilization of the Institute, Zhejiang Guohua Zhejiang Power Generation Limited.
This part of the main drafters. Wu Yunfang, Zhang Yi, Cheng Guochen, Yin Jianhua, Xu Xu, Jiao Chunlian, Wu Dongxia, Xu Na, Luo Shaohui, Wu Pengjie,
King will.
Water quality requirements for seawater cooling and analysis and detection
Part 1. determination of calcium and magnesium ions
1 Scope
This part of GB/T 33584 specifies the water quality requirements for seawater and the determination of calcium in seawater cooling water by EDTA complexometric titration.
Method of Magnesium Ion Content.
This part is suitable for the calcium content of seawater cooling water.200mg/L ~ 1000mg/L, magnesium content of 800mg/L ~ 3200mg/L
Determination.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 12804 laboratory glass instrument cylinder
GB/T 12805 Laboratory glass instrumentation burette
GB/T 12806 laboratory glass instrument single standard line capacity bottle
GB/T 12807 Laboratory glass instruments - Index pipettes
GB/T 12808 Laboratory glass instruments Single line suction pipette
3 water quality requirements
The main water quality indicators of seawater cooling water shall meet the requirements of Table 1.
Table 1 Main requirements for water quality of seawater cooling water
Item unit allowable value
Calcium ion (Ca2) mg/L ≤1000
Magnesium ion (Mg2) mg/L ≤3200
Zinc ion (Zn2) mg/L ≤2
Chloride (Cl-) mg/L ≤42000
Sulfate (SO42-) mg/L ≤ 6000
Dissolved solid g/L ≤ 100
Isozyme CFU/mL ≤ 5.0 × 105
Note 1. The permissible values for Ca2, Mg2, Cl-, SO42-, and isoquant are derived from 6.1.2 and 6.1.3 of GB/T 23248-2009.
Note 2. The permissible value of Zn2 is derived from GB 8978-1996 Table 4 Class II pollutant maximum allowable discharge concentration level standard.
Note 3. The permissible value of the dissolved solids is determined by the maximum concentration of N = 2.5 times the actual seawater cooling.
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