ASTM D6969-2003 Standard Practice for Preparation of Calcined Petroleum Coke Samples for Analysis《分析用焙烧石油焦样品准备的标准规程》.pdf
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1、Designation: D 6969 03An American National StandardStandard Practice forPreparation of Calcined Petroleum Coke Samples forAnalysis1This standard is issued under the fixed designation D 6969; the number immediately following the designation indicates the year oforiginal adoption or, in the case of re
2、vision, 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 covers the preparation procedures neces-sary for the reduction and division of calc
3、ined petroleum cokesamples in order to generate appropriate analytical samplesupon which physical and chemical analytical tests will beperformed.1.2 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this stand
4、ard 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 1552 Test Method for Sulfur in Petroleum Products(High-Temperature Method)D 2638 Test Method of Real Density of Calcined Petr
5、oleumCoke by Helium PycnometerD 4292 Test Method of Determination for Vibrated BulkDensity of Calcined Petroleum CokeD 4422 Test Method of Ash in the Analysis of PetroleumCokeD 4930 Test Method for Dust Control Material on CalcinedPetroleum CokeD 4931 Test Method for Gross Moisture in Green Petro-le
6、um CokeD 5004 Test Method of Real Density for Calcined Petro-leum Coke, Xylene DisplacementD 5056 Test Method for Trace Metals in Petroleum Coke byAtomic AbsorptionD 5187 Test Method for Determination of Crystallite Size(Lc) of Calcined Petroleum Coke by X-Ray DiffractionD 5600 Test Method for Trace
7、 Metals in Petroleum Coke byInductively Coupled Plasma Atomic Emission Spectrom-etry (ICP-AES)D 5709 Test Method for Sieve Analysis of Petroleum CokeD 6376 Test Method for Determination of Trace Metals inPetroleum Coke by Wavelength Dispersive X-ray Fluores-cence Spectroscopy3. Terminology3.1 Defini
8、tions:3.1.1 analysis samplethe reduced and divided representa-tive portion of the bulk sample, prepared for use in thelaboratory.3.1.2 composite samplea sample, representative of anentire consignment of calcined petroleum coke, generated bymixing portions of gross samples from different lots togethe
9、r inmass fractions proportioned to the consignment.3.1.3 gross samplethe original, uncrushed representativeportion taken from a shipment or lot of coke.3.1.4 intermediate samplea sample, representative of agross sample, upon which no analysis is to be performed, yetrequired for generation of analysi
10、s samples after undergoingfurther division and reduction.3.1.5 lota quantity of calcined petroleum coke to berepresented by a gross sample.3.1.6 rifflea manual sample divider which splits thesample stream into a number of alternate elements.3.1.7 sample divisionthe process whereby a sample isreduced
11、 in mass without change in particle size.1This practice is under the jurisdiction of ASTM Committee D02 on PetroleumProducts and Lubricants and is the direct responsibility of Subcommittee D02.05 onProperties of Fuels, Petroleum Coke and Carbon MaterialCurrent edition approved Nov. 1, 2003. Publishe
12、d December 2003.2For 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 website.1Copyright ASTM International, 100 Barr Harbo
13、r Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.8 sample preparationthe process that may includedrying, crushing, division, and mixing of a gross sample for thepurpose of obtaining an unbiased analysis sample.3.1.9 sample reductionthe process whereby a sample isreduced in p
14、article size by crushing or grinding withoutsignificant change in chemical properties.3.1.10 top sizethe size of the smallest opening of onesieve of a series upon which is cumulatively retained a total ofless than 5 % of the sample. This defined top size is not to beconfused with the size of the lar
15、gest particle in a lot.4. Significance and Use4.1 This practice provides field personnel and laboratorieswith standard procedures for dividing, reducing, and mixinggross samples and intermediate samples, such that the resultingprepared analysis samples are more uniform from laboratory tolaboratory.
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