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SN/T 3511-2013: Determination of mercury in minerals. General rules of direct mercury determining with solid injection method
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Determination of mercury in minerals. General rules of direct mercury determining with solid injection method
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Standard similar to SN/T 3511-2013
SN/T 5268 | Basic data
| Standard ID | SN/T 3511-2013 (SN/T3511-2013) |
| Description (Translated English) | Determination of mercury in minerals. General rules of direct mercury determining with solid injection method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Word Count Estimation | 9,923 |
| Quoted Standard | GB/T 602; GB/T 2007.2; GB/T 2007.6; GB/T 6682 |
| Regulation (derived from) | ?AQSIQ About publishing 2013 First Batch 179-items Entry-Exit Inspection and Quarantine industry standard Announcement; Industry-Standard-Filing Announcement 2013 No. 9 (Total No. 165) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the determination of mercury in minerals. Mercury direct solid sampling method General. This standard applies to the total mercury content of mineral solid sampling measured directly. |
SN/T 3511-2013: Determination of mercury in minerals. General rules of direct mercury determining with solid injection method
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Determination of mercury in minerals. General rules of direct mercury determining with solid injection method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of mercury in mineral
Direct solid sampling method mercury General
Issued on. 2013-03-01
2013-09-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard reference to the United States Environmental Protection Agency (EPA) method 7473MERCURYINSOLIDSANDSOLUTIONSBY
THERMALDECOMPOSITION, AMALGAMATION, ANDATOMICABSORPTIONSPECTRO-
PHOTOMETRY thermal decomposition amalgamation AAS solid and liquid mercury (in English).
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Zhuhai Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Entry-Exit Inspection and Zhongshan
Quarantine Bureau.
The main drafters of this standard. Caonai Bin, Tran party, Wuli Bing, Li Zhong, Chen Xiaoqing, Ze Peng Bin, Liao Jia, Zeng Yu.
Determination of mercury in mineral
Direct solid sampling method mercury General
Warning. Use of this standard should have practical experience in 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 of the relevant provisions of the State.
1 Scope
This standard specifies the determination of mineral mercury, mercury direct solid sampling general rules.
This standard applies to the total mercury content of mineral solids injection directly measured.
Note 1. This method can be used as a guide universal testing method steps or analysis techniques, in order to facilitate the preparation of detailed laboratory scale based on its internal
Normalized operating procedures (SOP) or special applications. Unless specified parameters need to use the method, the method performance data for reference only and is not intended as a real
Accredited laboratory quality control absolute limit use.
Under special circumstances, when minerals due to a combination of mercury and certain silicates, or other substrates, while unable to thermal decomposition, chemical digestion, etc. need a sample pre-treatment side. Note 2
Method A sample was dissolved and then measured to confirm.
Note 3. The high concentrations of mineral elemental sulfur and a reduced state will affect the test instrument, should reduce the amount of the specimen or sample digestion before testing.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents
GB/T 2007.2 bulk minerals sampling and sample preparation General manual sample preparation method
GB/T 2007.6 bulk minerals sampling and sample preparation General Determination of Water heat drying method
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Thermal decomposition thermaldecomposition
Heating by convection and conduction, partial or complete decomposition of sample, the volatile components such as water, carbon dioxide, organic compounds
Elements released in the form of oxides or complex compounds and gaseous.
3.2
Amalgamation amalgamation
Metallic mercury and gold alloy formation process.
3.3
Amalgamator amalgamator
The distribution of gold powder on a support having a large surface area to produce a mercury vapor amalgamation tubular device.
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