1、Designation: C 1164 92 (Reapproved 2003)Standard Practice forEvaluation of Limestone or Lime Uniformity From a SingleSource1This standard is issued under the fixed designation C 1164; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,
2、 the year of 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 practice is intended for use in instances where thepurchaser desires information on the uniformity
3、of limestone orlime produced at a single source. It is intended that this testmethod normally be used for the predominant material manu-factured at a plant. Guidelines for sampling, testing andpresentation of results (Table 1) are given.1.2 This standard does not purport to address all of thesafety
4、concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:C 25 Test Methods for Chemical Analy
5、sis of Limestone,Quicklime, and Hydrated Lime2C 50 Methods of Sampling, Inspection, Packing, and Mark-ing of Lime and Limestone Products2C 51 Terminology Relating to Lime and Limestone (AsUsed by the Industry)2C 110 Test Methods for Physical Testing of Quicklime,Hydrated Lime, and Limestone2C 141 Sp
6、ecification for Hydraulic Hydrated Lime for Struc-tural Purposes23. Terminology3.1 Definitions:3.1.1 For definitions of terms relating to this practice refer toTerminology C 51.4. Significance and Use4.1 This practice is designed to present in a standardizedformat information on the variability of l
7、imestone or lime froma single source over a period of time. It can be applied to allmaterials covered in Test Methods C 25 and C 110, andSpecification C 141.5. Sampling5.1 The sampling shall be done in accordance with MethodsC 50.5.2 All sampling shall be performed by personnel qualifiedby specific
8、training for this purpose.5.3 Data points shall be an average of three or more separatedeterminations relative to a specified unit of time. For example:(1) n determinations for daily average, (2) daily determinationsfor weekly average.5.4 The samples shall be identified by the date or dates thatthe
9、represented material was obtained.6. Procedure6.1 The minimum amount of testing (see 5.3) and the typeof test(s) to be performed should be agreed upon by thepurchaser and producer.NOTE 1A single daily analysis does not necessarily characterize a1This practice is under the jurisdiction of ASTM Commit
10、tee C07 on Lime andis the direct responsibility of Subcommittee C07.11 on Statistics.Current edition approved Feb. 15, 1992. Published April 1992. Originallyapproved in 1990. Last previous edition approved in 1991 as C 1164 91.2Annual Book of ASTM Standards, Vol 04.01.TABLE 1 High Calcium Quicklime
11、January 1989NOTE 1This data is presented only as a sample of the correct methodfor presentation. Other tests can be substituted and others omitted.DayTestAcid Insoluble % CaO % MgO Available CaO1 0.66 95.85 2.27 94.902 0.84 95.03 2.87 94.083 1.24 95.85 1.57 94.904 1.22 96.67 1.49 95.715 1.22 96.26 1
12、.32 95.318 0.68 95.85 2.06 94.699 0.96 95.54 2.27 94.8910 1.26 96.15 1.74 95.2011 1.04 96.04 2.00 95.1113 1.26 96.26 1.51 95.3115 1.34 95.23 2.09 94.2816 1.28 95.44 2.34 94.6919 0.68 96.15 1.46 95.2020 1.42 95.85 1.27 94.9022 1.06 95.85 1.86 94.9023 0.58 96.15 2.09 95.3124 0.84 95.03 2.61 94.0826 1.
13、28 95.64 1.39 94.6927 1.48 95.54 1.58 94.3929 0.98 94.82 2.71 93.6730 1.24 94.41 3.42 93.67Avg 1.07 95.70 2.00 94.76Range 0.90 2.26 2.15 2.04Std Dev 0.26 0.54 0.56 0.541Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.product. A minimu
14、m of three analyses is more reasonable.6.2 It is desirable that all tests used in a single evaluation beperformed in the same laboratory, preferably by the sameperson, in order for the results to be comparable.NOTE 2In order to obtain comparable results when exchangingsamples between laboratories, m
15、ethods used in preparation, handling andstorage of those samples must be uniform.6.2.1 When separate evaluations of a single source are madeby two or more laboratories, additional tests of a standardmaterial or exchanged portions of the same sample may benecessary to determine differences in testing
16、 that are likely tobe obtained in the different laboratories. Three or more batchesmay be necessary to obtain comparison between laboratories.6.2.2 Where a within-laboratory testing standard deviationhistory has not been established, duplicate tests made from asingle sample are required to determine
17、 the effect of testingvariation on the uniformity of results made in a singlelaboratory.7. Test Method7.1 The chemical analysis of quicklime, hydrated lime, andlimestone shall be determined in accordance with Test MethodsC 25.7.2 The physical analysis of quicklime, hydrated lime, andlimestone shall
18、be determined in accordance with Test MethodsC 110.7.3 The analysis of hydraulic hydrated lime shall be deter-mined in accordance with Specification C 141.8. Calculation8.1 Average X:X5X11 X21 .1 Xn!n(1)where:X1,X2,.,Xn= the individual test results in accordancewith Test Methods C 25 or C 110, orSpe
19、cification C 141, andn = the number of individual samples.8.2 Total Standard Deviation:s 5X12 X!21 X22 X!21 .1 Xn2 X!2n 2 1!(2)9. Report9.1 Report the following information. Sufficient informationshall be provided to identify the sample including:9.1.1 Name of manufacturer and location,9.1.2 Type of
20、 material or other identification,9.1.3 All sampling and analytical practices used are to benoted (see Note 3), and9.1.4 Period of time represented by the report.9.2 The report shall not cover a period of time greater thanone year.NOTE 3Laboratory designations are lost or are meaningless whenaveragi
21、ng a number of determinations on individual samples. The pur-chaser needs to know the sampling and analytical practices used ingenerating a report to properly evaluate the information they receiveconcerning a specific product.10. Keywords10.1 hydrated lime; limestone; product uniformity; quick-lime;
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23、ghts, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additiona
24、l standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the AST
25、M Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).C 1164 92 (2003)2
