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| GB/T 35355-2017 | English | 119 |
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Determination of water-soluble salts for marine equipment -- Sodium chloride standard method
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GB/T 35355-2017
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PDF similar to GB/T 35355-2017
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Basic data | Standard ID | GB/T 35355-2017 (GB/T35355-2017) | | Description (Translated English) | Determination of water-soluble salts for marine equipment -- Sodium chloride standard method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U05 | | Classification of International Standard | 47.020.05 | | Word Count Estimation | 6,660 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | 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 |
GB/T 35355-2017: Determination of water-soluble salts for marine equipment -- Sodium chloride standard method ---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.
Determination of water-soluble salts for marine equipment-Sodium chloride standard method
ICS 47.020.05
U05
National Standards of People's Republic of China
Marine equipment - Determination of salt content in water
Baseline sodium chloride method
2017-12-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard by the National Marine Standardization Technical Committee (SAC/TC12) centralized.
This standard was drafted by Shanghai Waigaoqiao Shipbuilding Co., Ltd., China Shipbuilding Industry Technology and Economy Institute.
The main drafters of this standard. Tang Liangjun, Song Yan Yuan, Lu Yongmin, Gong Chao, Dai Xiaohu, Feng Guoyin.
Marine equipment - Determination of salt content in water
Baseline sodium chloride method
1 Scope
This standard specifies the principle of marine salt water measurement equipment, reagents, equipment, sampling, analysis steps, the results of calculation, precision
Degree, quality and control, test reports and more.
This standard applies to marine equipment water (including boiler water, cooling water, fresh water, etc.) in the determination of salt. Measurement range is not greater than
0.400%.
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.
Laboratory use specifications and test methods for analysis GB/T 6682-2008
GB/T 6904 industrial circulating cooling water and boiler water pH measurement
Methods for the analysis of water for boiler and cooling water - Method for the collection of water samples
Determination of conductivity of boiler water and cooling water GB/T 6908
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Salt ratio ratioofsalinityandconductivity
Conductivity and salt ratio.
4 principle
Marine equipment water is the main component of salt dissolved in water, a strong electrolyte. By measuring the conductivity of aqueous solution, based on salt conductivity ratio,
You can calculate the water content of marine equipment water.
5 reagent
5.1 All reagents and water, unless otherwise specified, analytical grade and above should be used chemical reagents and newly prepared in line with GB/T 6682-
2008 and the provisions of the second and above water.
5.2 Sodium chloride storage solution Weigh 50.0000g sodium chloride (reference reagent) was dissolved in.200mL water, transferred to 500mL volumetric flask,
Dilute to the mark with water and mix well. This solution is 1 mL containing 0.1 g of sodium chloride.
5.3 hydrochloric acid solution .0.1mol/L.
5.4 sodium hydroxide solution .0.1mol/L.
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