ASTM E135-2007a Standard Terminology Relating to Analytical Chemistry for Metals Ores and Related Materials《金属、矿石、和相关材料与分析化学相关的标准术语》.pdf
《ASTM E135-2007a Standard Terminology Relating to Analytical Chemistry for Metals Ores and Related Materials《金属、矿石、和相关材料与分析化学相关的标准术语》.pdf》由会员分享,可在线阅读,更多相关《ASTM E135-2007a Standard Terminology Relating to Analytical Chemistry for Metals Ores and Related Materials《金属、矿石、和相关材料与分析化学相关的标准术语》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E 135 07aStandard Terminology Relating toAnalytical Chemistry for Metals, Ores, and RelatedMaterials1This standard is issued under the fixed designation E 135; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This is a compilation of terms commonly used inanalytical chemistry for metals, ores, and related materials.Terms t
3、hat are generally understood or defined adequately inother readily available sources are either not included or theirsources are identified.1.2 A definition is a single sentence with additional infor-mation included in a Discussion.1.3 Definitions identical to those published by anotherstandards org
4、anization or ASTM committee are identified withthe name of the organization or the identifying document andASTM committee.1.4 Definitions specific to a particular field (such as emis-sion spectrometry) are identified with an italicized introductoryphrase.2. Referenced Documents2.1 ASTM Standards:2E
5、1914 Practice for Use of Terms Relating to the Develop-ment and Evaluation of Methods for Chemical AnalysisE 2165 Practice for Establishing an Uncertainty Budget forthe Chemical Analysis of Metals, Ores, and RelatedMaterialsE 2437 Practice for Designing and Validating Performance-Based Test Methods
6、for the Analysis of Metals, Ores, andRelated MaterialsE 2438 Practice for Implementing Standard PerformanceBased Test Methods for the Analysis of Metals, Ores, andRelated Materials2.2 ISO Standard:3ISO Guide 30 Terms and Definitions Used in Connectionwith Reference Materials3. Significance and Use3.
7、1 Definitions given in Section 4 are intended for use in allstandards on analytical chemistry for metals, ores, and relatedmaterials. The definitions should be used uniformly andconsistently. The purpose of this terminology is to promoteclear understanding and interpretation of the standards inwhich
8、 definitions are used.4. Terminology Definitionsaccuracy, nof methods of chemical analysis, a characteristicmanifested by agreement. E 1914 98 (2003)aim interlaboratory uncertainty, nthe maximum deviation(95 % confidence) to be allowed in the design of the totalinterlaboratory uncertainty of a test
9、method, beginning withthe preparation of a homogeneous sample and ending with afinal report value to the client. E243705aim total intralaboratory uncertainty, nthe maximumdeviation (95 % confidence) to be allowed in the design ofthe total intralaboratory uncertainty of a test method, begin-ning with
10、 the preparation of a homogeneous sample andending with a final report value to the client. E243805aim uncertainty budget, nduring the development of astandard performance-based test method, the target alloca-tion of interlaboratory measurement uncertainty among spe-cific components of a measurement
11、 process that contributesignificantly to the overall deviation. The target allocation ismade by the task group as described in Practice E 2165 andserves as guidance for interlaboratory test participants dur-ing method testing. E243705analytical curvesee calibration curve.analyte, nin methods of chem
12、ical analysis, the componentdetermined by a method. E 1914 98 (2003)analytical gap, nin atomic emission spectrometry, the re-gion between two electrodes in which the specimen isexcited and from which radiant energy is used for analysis.analytical line, nin atomic spectrometry, the particularwaveleng
13、th of electromagnetic radiation used in determiningthe presence or concentration of an element.1This terminology is under the jurisdiction of ASTM Committee E01 onAnalytical Chemistry for Metals, Ores and Related Materials and is the directresponsibility of Subcommittee E01.23 on Terminology and Edi
14、torial.Current edition approved June 1, 2007. Published June 2007. Originallyapproved in 1958. Last previous edition approved in 2007 as E 135 07.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards
15、 volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United
16、States.arc, condensedsee discharge, triggered capacitor.continuous dc, na self-maintaining dc discharge.noncapacitive ac, nin atomic emission spectrometry,aseries of separate electrical discharges, individually self-initiating or initiated separately by another means, in whicheach current pulse has
17、a polarity that is reversed from theprevious one.arc linenot recommended, see atom line.atom line, nin atomic emission spectrometry, a spectral lineresulting from radiation emitted during electron transition asan excited atom returns to a lower energy level.atomic emission spectrometry (AES), nperta
18、ining to emis-sion spectrometry in the ultraviolet, visible, or infraredwavelength regions of the electromagnetic spectrum.b-value, nin statistics, the difference between the mean of aset of results on a material and its accepted reference value.(Compare error.) E 1914 98 (2003)between-laboratory st
19、andard deviation, sR, nthe standarddeviation of results obtained on the same material indifferent laboratories (synonym: reproducibility).E 1914 98 (2003)buffer, nin spectrometric analysis, a substance that tends tominimize the effects of one or more elements on theemission of other elements.burn, n
20、in atomic emission spectrometry, that portion of asolid specimen from which atoms were volatilized or sput-tered.burn, vtin atomic emission spectrometry, to vaporize, orsputter, and excite a specimen with sufficient energy togenerate spectral radiation.calibrant, na reference material used for a cal
21、ibration.calibrate, vt(1) to establish the relationship between theresponse of an instrument and the concentration or mass ofthe analyte; (2) to establish a table of corrections to improvethe accuracy of equipment used to measure physical prop-erties such as mass, volume, temperature, and so forth.c
22、alibration, nthe act, process, or result of establishing: (1)the relationship between the response of an instrument andthe concentration or mass of the substance determined; (2)atable of corrections to improve the accuracy of equipmentused to measure physical properties such as mass, volume,temperat
23、ure, and so forth.calibration curve, nthe graphical or mathematical represen-tation of the relationship between the response of an instru-ment and the concentration or mass of the analyte.certified reference material (CRM), na reference material,accompanied by a certificate, one or more of whose pro
24、pertyvalues are certified by a procedure which establishes trace-ability to an accurate realization of the unit in which theproperty values are expressed, and for which each certifiedvalue is accompanied by an uncertainty at a stated level ofconfidence.DISCUSSIONSee also SRM.characteristic emulsion
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