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    ASTM E135-2010 4375 Standard Terminology Relating to Analytical Chemistry for Metals Ores and Related Materials《金属、矿石以及相关材料用分析化学的相关标准术语》.pdf

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    ASTM E135-2010 4375 Standard Terminology Relating to Analytical Chemistry for Metals Ores and Related Materials《金属、矿石以及相关材料用分析化学的相关标准术语》.pdf

    1、Designation: E135 10Standard Terminology Relating toAnalytical Chemistry for Metals, Ores, and RelatedMaterials1This standard is issued under the fixed designation E135; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l

    2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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 that

    3、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 organiz

    4、ation 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:2E1914

    5、Practice for Use of Terms Relating to the Develop-ment and Evaluation of Methods for Chemical AnalysisE2437 Practice for Designing and Validating Performance-Based Test Methods for the Analysis of Metals, Ores, andRelated MaterialsE2438 Practice for Implementing Standard PerformanceBased Test Method

    6、s for the Analysis of Metals, Ores, andRelated Materials2.2 ISO Standard:3ISO Guide 30 Terms and Definitions Used in Connectionwith Reference Materials3. Significance and Use3.1 Definitions given in Section 4 are intended for use in allstandards on analytical chemistry for metals, ores, and relatedm

    7、aterials. The definitions should be used uniformly andconsistently. The purpose of this terminology is to promoteclear understanding and interpretation of the standards inwhich definitions are used.4. Terminology Definitionsaim interlaboratory uncertainty, nthe maximum deviation(95 % confidence) to

    8、be allowed in the design of the totalinterlaboratory uncertainty of a test method, beginning withthe preparation of a homogeneous sample and ending with afinal report value to the client. E2437aim total intralaboratory uncertainty, nthe maximumdeviation (95 % confidence) to be allowed in the design

    9、ofthe total intralaboratory uncertainty of a test method, begin-ning with the preparation of a homogeneous sample andending with a final report value to the client. E2438aim uncertainty budget, nduring the development of astandard performance-based test method, the target alloca-tion of interlaborat

    10、ory measurement uncertainty among spe-cific components of a measurement process that contributesignificantly to the overall deviation. The target allocation ismade by the task group and serves as guidance for interlabo-ratory test participants during method testing. E2437analytical curvesee calibrat

    11、ion curve.analyte, nin methods of chemical analysis, the constituentdetermined by a chemical measurement process. E19141This terminology is under the jurisdiction of ASTM Committee E01 onAnalytical Chemistry for Metals, Ores, and Related Materials and is the directresponsibility of Subcommittee E01.

    12、23 on Terminology and Editorial.Current edition approved Jan. 15, 2010. Published May 2010. Originallyapproved in 1958. Last previous edition approved in 2009 as E135 09b. DOI:10.1520/E0135-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at se

    13、rviceastm.org. For Annual Book of ASTMStandards 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, http:/www.ansi.org.1Copyright ASTM International, 100 Barr H

    14、arbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.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 particularwa

    15、velength of electromagnetic radiation used in determiningthe presence or concentration of an element.arc, condensedsee discharge, triggered capacitor.continuous dc arc, na self-maintaining dc discharge.noncapacitive ac arc, nin atomic emission spectrometry,aseries of separate electrical discharges,

    16、individually self-initiating or initiated separately by another means, in whicheach current pulse has 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 t

    17、ransition asan excited atom returns to a lower energy level.atomic emission spectrometry (AES), npertaining to emis-sion spectrometry in the ultraviolet, visible, or infraredwavelength regions of the electromagnetic spectrum.bandpass filtersee under filter.between-laboratory standard deviation, sR,

    18、nthe standarddeviation of results obtained on the same material using thesame method in different laboratories.buffer, nin spectrometric analysis, a substance that tends tominimize the effects of one or more elements on theemission of other elements.burn, nin atomic emission spectrometry, that porti

    19、on 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 calibration.calibrate, vt(1) to establish the

    20、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.calibration, nthe act, process, or result of

    21、 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,temperature, and so forth.calibration curve, nthe g

    22、raphical or mathematical represen-tation of the relationship between the response of an instru-ment and the concentration or mass of the analyte.condensed arcsee under discharge, triggered capacitor.continuous dc arcsee under arc.certified reference material (CRM), na reference material,accompanied

    23、by a certificate, one or more of whose propertyvalues 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.DISCU

    24、SSIONSee also standard reference material (SRM).counter electrode, nin atomic emission spectrometry, theelectrode in an analytical pair that does not contain thespecimen being analyzed.detection limit, nthe smallest net signal (or the derivedproperty value, constituent mass fraction, etc.) obtained

    25、by agiven measurement procedure, that can be distinguishedfrom the background signal at a specified confidence level.E1914DISCUSSIONThe detection limit may be designated as LD.Anequivalent alternative term is Limit of Detection with an acronym ofLOD.4discharge, triggered capacitor, na series of elec

    26、trical dis-charges from capacitors initiated by a separate means andextinguished when the voltage across the analytical gap fallsto a value that no longer is sufficient to maintain it.division, nin sample preparation, a process which divides asample into two or more subsamples without changing theco

    27、mposition.dor bead, na gold and silver alloy bead which results fromcupellation.drift correction, nin spectrometric analysis, the process ofadjusting for a translational shift or a rotational shift, or both,in an instrument calibration.electrode, nin atomic emission spectrometry, either of twotermin

    28、als between which an electrical discharge occurs.electrode gapnot recommended, see analytical gap.error, nof a result, the difference between a result obtainedon a material and its accepted reference value. E1914fatigue, nin atomic emission spectrometry, the decrease inresponse of a photoelectric ra

    29、diant energy detector caused bythe accumulated exposure of the detector to radiant energy.filter, nin atomic spectrometry, a substance that attenuatesthe radiant power in a definite manner with respect tospectral distribution.bandpass filtera filter that passes wavelengths (or frequen-cies) within a

    30、 specified band and attenuates all wavelengths(or frequencies) outside that band. The relationship betweenwavelength l and the frequency n is l = c/n, where c is thespeed of light.gross samplesee under sample.homologous lines, nin atomic emission spectrometry, spec-tral lines that exhibit minimal ch

    31、ange in their intensity ratioswith variations in excitation conditions.increment, nin sampling, a portion of material removedfrom a lot by a single operation.inquartation, vtin fire assay, the addition of silver tofacilitate parting.interlaboratory study (ILS), na study undertaken to dem-onstrate th

    32、e precision and accuracy of a test method.E19144For a complete discussion, refer to L. A. Currie (ed.), Pure and AppliedChemistry, Vol 67, No. 10, 1995, pp. 16991723.E135 102interlaboratory uncertainty, nin a performance basedstandard test method, the precision (95 % confidence) thatparticipating la

    33、boratories achieved during interlaboratorystudies, beginning with the preparation of a homogeneoussample and ending with a final report value to the client.E2437internal standard, nin spectrometry, a material present in oradded to test samples that serves as an intensity reference forspectral measur

    34、ements.internal standard line, nin atomic spectrometry, a spectralline of an internal standard, to which the radiant energy of ananalytical line is compared.intralaboratory uncertainty, nin a performance basedstandard test method, the precision (95 % confidence) that alaboratory achieves when the me

    35、thod is used by more thanone operator. In test methods that establish maximumallowable intralaboratory uncertainties, users must be able todemonstrate compliance with those uncertainties in order toreport that a given test result was produced using the namedmethod. E2437ion line, nin atomic emission

    36、 spectrometry, a spectral lineresulting from radiation emitted during electron transition asan ionized atom decays to a lower, but still ionized, energylevel; see atom line.laboratory samplesee under sample.linear dispersion, nthe derivative dx/dl where x is thedistance along the spectrum and l is t

    37、he wavelength.line pair, nin atomic emission spectrometry, an analyticalline and the internal standard line with which it is compared.lot, nin sampling, a collection of material regarded as a unit.matrix, nin methods of chemical analysis, all components ofa material except the analyte. E1914method,

    38、nin chemical analysis, instructions used to producea numerical result, which are detailed in a document referredto as “the method.” E1914minimum standard deviation, sM, nthe standard deviationof results on a test material obtained under conditions ofminimum variability E1914nebulizer, na device for

    39、converting a sample solution into agas-liquid aerosol for atomic absorption, emission, fluores-cence, or mass analysis.noncapacitive ac arcsee under arc.normalization, nin spectrometric analysis, (1) the processof adjusting instrument output to conform to an establishedcondition using one or more ho

    40、mogeneous specimens orreference materials; (2) the adjustment of the analysis total to100 %, or some other total.parting, vtin fire assay, separating silver from gold byselectively dissolving the silver in acid.performance based method, na test method that defines:(1) the general approaches for samp

    41、ling, sample preparation,and making measurements on a specified type of material;and (2) defines maximum allowable uncertainties for eachmeasured constituent over its validated concentration range.polychromator, na device for simultaneously isolating sev-eral rays of monochromatic radiation from a b

    42、eam ofpolychromatic radiation.preburn period, nin atomic emission spectrometry, the timeinterval after the initiation of a discharge during which theemitted radiation energy is not recorded for analyticalpurposes.premix burner, nin flame atomic absorption and atomicemission spectrometry, a burner in

    43、 which the fuel gas ismixed with the oxidizing gas before reaching the combus-tion zone.prepared samplesee under sample.primary X rays, nin spectrometry, the emergent beam fromthe X-ray source.profile, vtin atomic emission spectrometry, to scan and setthe deflection of the grating, or actual or appa

    44、rent position ofthe entrance slit, or actual or apparent location of the exitslits, to produce optimum measurement of intensity.proof, nin fire assay, a synthetic verifier having a preciousmetal content similar to that expected in the test sample.proof correction, nin fire assay, the adjustment to t

    45、he finalassay obtained by analyzing the proof concurrently with thetest sample.radiant power, P, nthe rate at which energy is transported ina beam of radiant energy, preferably expressed in ergs persecond or watts.reciprocal linear dispersion, nthe derivative dl/dx where lis the wavelength and x is

    46、the distance along the spectrum.reference material (RM), nmaterial or substance one ormore of whose property values are sufficiently homogeneousand well established to be used for the calibration of anapparatus, the assessment of a measurement method, or forassigning values to materials. ISO Guide 3

    47、0repeatability, nsee within-laboratory standard deviation.E1914repeatability index, r, nan estimate of the maximumdifference expected for results on the same test material ondifferent days in the same laboratory, a difference notexpected to be exceeded an average of more than once in 20comparisons (

    48、95 % probability). E1914repeatability standard deviation, nsee within-laboratorystandard deviation. E1914reproducibility, nsee between-laboratory standard devia-tion. E1914reproducibility index, R, nan estimate of the maximumdifference expected for results on the same material in twolaboratories, a

    49、difference not expected to be exceeded anaverage of more than once in 20 comparisons (95 % prob-ability). E1914reproducibility standard deviation, nsee between-laboratory standard deviation. E1914E135 103resolution, nin atomic spectrometry, the minimum distanceby which two spectral lines must be separated before theycan be distinguished as being separate.result, nvalue representing the quantity of analyte that isobtained by applying a method one time to a test material.E1914sample, nin methods of c


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