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    ASTM D1900-2006 Standard Practice for Carbon Black-Sampling Bulk Shipments《碳黑 散装装运物抽样的标准实施规程》.pdf

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    ASTM D1900-2006 Standard Practice for Carbon Black-Sampling Bulk Shipments《碳黑 散装装运物抽样的标准实施规程》.pdf

    1、Designation: D 1900 06Standard Practice forCarbon BlackSampling Bulk Shipments1This standard is issued under the fixed designation D 1900; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in paren

    2、theses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice covers procedures for the sampling anddata reporting of bulk shipments of carbon black in three-compartment hopper rail cars and compar

    3、tmented bulk hoppertrailers.NOTE 1The tests to be made on the samples obtained by this practice,how many samples are taken, where they are taken, and what statisticalvalues (if any) to report shall be determined by agreement between thepurchaser and the manufacturer. This practice gives guidance for

    4、 use indeveloping such agreements or for use when no formal agreement exists.The specific details of each procedure are described in appropriate ASTMtest methods used for testing carbon black.NOTE 2Some purchasers or manufacturers may consider FlexibleIntermediate Bulk Containers (FIBC) to be a bulk

    5、 shipment. See PracticeD 1799 for guidance on sampling and reporting for this package.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns, if any, associat

    6、ed 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:2D 1799 Practice for Carbon BlackSampling PackagedShipmentsD 5

    7、817 Practice for Carbon Black, PelletedReduction,Blending, and Drying of Gross Samples for Testing3. Significance and Use3.1 Sampling of bulk shipments of carbon blacks is ofutmost importance since the location and number of samplestaken by different laboratories can have a significant effect onthe

    8、agreement of test values obtained. This practice is for usein obtaining representative samples of carbon black in eachcompartment or in the entire hopper car or hopper truck. Thesesamples may be used to ascertain the average quality or theuniformity of a shipment, or both.4. Sampling Procedure4.1 Wi

    9、thdraw approximatelya4dm3(1 gal) sample fromeach sample port, after first withdrawing at least 4 dm3(1 gal)of carbon black from each port and discarding it. Sample portsare located on each side of each compartment in a three-compartment bulk hopper rail car and on one side of a hoppertruck.4.2 If sa

    10、mpling from the top ports of a hopper car or hoppertruck, approximately 150 mm (6 in.) of surface material shouldbe raked aside before collecting approximately 4 dm3(1 gal)for testing.4.3 Asample thief may be used to sample from the top portsof a hopper car or hopper truck. The thief must be able to

    11、sample at least 150 mm (6 in.) below the surface. Collectapproximately 4 dm3(1 gal) for testing.4.4 If sampling a hopper car or hopper truck during unload-ing it is recommended that three samples be collected fortesting from each compartment: one at the beginning ofunloading, one at approximately th

    12、e middle of unloading, andone near the end of unloading. The sample size should beapproximately 4 dm3(1 gal).4.5 If sampling a hopper car or hopper truck during loadingit is recommended that three samples be collected for testingfrom each compartment: one at the beginning of loading, oneat approxima

    13、tely the middle of loading and one near the end ofloading. The sample size should be approximately 4 dm3(1 gal).4.6 Samples collected as described in 4.1-4.5 may be testedsingly or composited. See Practice D 5817 for guidance onpreparing composited samples. When disputed test results arisereasonable

    14、 efforts should be made for all parties to test samplestaken from the same location.5. Sample Preparation and Handling5.1 Store the samples in airtight containers until the mate-rials are needed for sample preparation or testing. Hold anyexcess material in airtight containers for possible follow-upt

    15、esting until all tests are completed.1This practice is under the jurisdiction of ASTM Committee D24 on CarbonBlack and is the direct responsibility of Subcommittee D24.61 on Carbon BlackSampling and Statistical Analysis.Current edition approved Oct. 1, 2006. Published October 2006. Originallyapprove

    16、d in 1961. Last previous edition approved in 2002 as D 1900 94 (2002).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM

    17、 website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2 Handle samples collected for the determination of pelletquality with care to avoid pellet breakdown.5.3 If individual samples are taken for testing indepen-dently, pass eac

    18、h sample through a single-stage riffle-typesample splitter at least twice in order to prevent stratification.See Practice D 5817. This is particularly important if pelletquality tests are to be made on the sample.5.4 If individual samples are composited, pass them througha single-stage riffle-type s

    19、ample splitter at least three times. SeePractice D 5817.5.5 Composite samples should be tested if simply theaverage value of a given property of the shipment is to bedetermined.5.6 Individual samples shall be tested if average and rangeor sample standard deviation values for a given property of thes

    20、hipment are to be determined.6. Report6.1 Report the following information:6.1.1 Number of individual samples and their location.6.1.2 Average value, if composite samples were tested.6.1.3 Individual values, average, and range or sample stan-dard deviation, if individual samples were tested.7. Preci

    21、sion and Bias7.1 Data for precision and bias are not applicable to thispractice.8. Keywords8.1 carbon black; hopper cars; hopper trucks; sampling bulkshipmentsASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this stand

    22、ard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be review

    23、ed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible

    24、 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 ASTM 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).D1900062


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