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GB/T 13072-2010: Geological water samples -- Determination of radioactive ratio 226Ra/228Ra -- Emanation-β counting techniques
Status: Valid GB/T 13072: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13072-2010 | English | 229 |
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Geological water samples -- Determination of radioactive ratio 226Ra/228Ra -- Emanation-β counting techniques
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GB/T 13072-2010
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| GB/T 13072-1991 | English | 399 |
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Method for measuring the activity ratios of Ra226 to Ra228 in geological water samples
| Obsolete |
GB/T 13072-1991
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PDF similar to GB/T 13072-2010
Basic data | Standard ID | GB/T 13072-2010 (GB/T13072-2010) | | Description (Translated English) | Geological water samples -- Determination of radioactive ratio 226Ra/228Ra -- Emanation-�� counting techniques | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D14 | | Classification of International Standard | 73.020 | | Word Count Estimation | 10,161 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-02-01 | | Older Standard (superseded by this standard) | GB/T 13072-1991 | | Quoted Standard | GB/T 6379.1; GB/T 6379.2; GB/T 6379.4; GB/T 6379.5; GB/T 6379.6; GB 9133; GB 14500 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.8 (Total No.163) | | 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 analysis of water samples 226Ra/228 Ra geological radioactivity ratio. Which, 226Ra measured by emanation, 228Ra through its daughter 228Ac measurements on low background �� devices. This standard applies to surface water, groundwater, analysis of uranium and uranium mine water plant wastewater 226Ra/228Ra radioactivity ratio, environmental sewage, sea water and solid samples after appropriate treatment may also refer to the use. | GB/T 13072-2010: Geological water samples -- Determination of radioactive ratio 226Ra/228Ra -- Emanation-β counting techniques
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Geological water samples. Determination of radioactive ratio 226Ra/228Ra. Emanation-β counting techniques
ICS 73.020
D14
National Standards of People's Republic of China
Replacing GB/T 13072-1991
Geological water samples 226Ra/228Ra radioactivity
Ratio determination emanation method -β law
Issued on. 2010-11-10
2011-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 13072-1991 "geological water samples activity ratio analysis 226Ra/228Ra of."
This standard compared with GB/T 13072-1991, the main changes are as follows.
--- A standard specification title;
--- Increased alert, warnings;
--- Provision increases the processing of waste;
--- Deleted directory;
--- Simplifies the measuring instruments;
--- Corrected some errors.
The standard proposed by the People's Republic of China Ministry of Land Resources.
This standard by the National Standardization Technical Committee of Land and Resources.
This standard is drafted by. National Geological Experimental Test Center.
This standard was drafted. Nuclear Industry Beijing Institute of Geology.
The main drafters of this standard. Wu Zhaohui, Li-kun.
This standard replaces the standards previously issued as follows.
--- GB/T 13072-1991.
Geological water samples 226Ra/228Ra radioactivity
Ratio determination emanation method -β law
Warning --- personnel should use this standard practice regular laboratory work. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method for the analysis of geological water samples 226Ra/228Ra ratio of radioactivity, which, 226Ra measured by emanation,
228Ra 228Ac measured on a low background β by means of its daughter.
This standard applies to surface water, groundwater, uranium and uranium mine water plant Wastewater 226Ra/228Ra radioactivity ratio analysis, environmental
Sewage, water and solid samples after appropriate treatment can also refer to use.
Measuring range. 226Ra specific activity > 3.6 × 10-3Bq/L and 228Ra specific activity > 3.5 × 10-3Bq/L or more of a variety of ratios.
2 Normative references
The following documents contain provisions which, through this standard reference and become the standard terms. For dated references, all subsequent
Modified version (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 6379 (all parts) of measurement methods and results Accuracy (trueness and precision)
GB 9133 Classification of radioactive waste
GB 14500 radioactive waste management
Principle 3
5L acidified water samples with lead sulfate, barium, radium co-precipitation and dissolved with disodium edetate (EDTA disodium), filtered to
Insoluble debris re-use sulfate precipitate was dissolved with diethyl be sub-pentaacetic acid (DTPA, C14H23N3O10) after 228Ac grow again
As sulfate precipitation, the precursor 226Ra and 228Ac separate solution of the ester (P204, C16H35O4P) and extracted with di (2-ethylhexyl), anti-nitrate
Extraction, cerium oxalate precipitate source system, measuring 228Ac, and the standard comparison solution at low background β means, including the degree of 228Ac get, and then converted into
228Ra activity. Sulfate precipitate was dissolved with disodium edetate charged diffuser. It closed a few days later by emanation and measurement 226Ra
Comparison of standard solutions obtained radium 226Ra activity, the final calculation of 226Ra and 228Ra radioactivity ratio.
4 Reagents
Unless otherwise stated in this section, both in the analysis using analytical grade and distilled water or equivalent purity water in line with national standards.
4.1 mannitol.
4.2 absolute ethanol (ρ0.78g/mL).
4.3 hydrochloride (ρ1.19g/mL).
4.4 hydrochloric acid solution (12).
4.5 nitric acid solution (114).
4.6 sulfuric acid solution (11).
4.7 Sodium hydroxide solution (100g/L). 100g of sodium hydroxide dissolved in water, diluted to 1000mL.
4.8 ammonia solution (12).
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