ASTM D1900-2006(2015) Standard Practice for Carbon Black&x2014 Sampling Bulk Shipments《碳黑的标准实施规程 散装装运物抽样》.pdf
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1、Designation: D1900 06 (Reapproved 2015)Standard Practice forCarbon BlackSampling Bulk Shipments1This standard is issued under the fixed designation D1900; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、 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 practice covers procedures for the sampling anddata reporting of bulk shipments of carbon black in three-compartment hopper rail
3、cars and compartmented 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 giv
4、es guidance for 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 (FIB
5、C) to be a bulk shipment. See PracticeD1799 for guidance on sampling and reporting for this package.1.2 The values stated in SI units are to be regarded asstandard. The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns, if any
6、, 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:2D1799 Practice for Carbon BlackSampling PackagedShi
7、pmentsD5817 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 effec
8、t onthe 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 Procedu
9、re4.1 Withdraw 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
10、.2 If sampling 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
11、 able tosample 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 approxim
12、ately the 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 a
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