1、Designation:C70613Standard Specification forLimestone for Animal Feed Use1This standard is issued under the fixed designation C706;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 parentheses indi
2、cates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers limestone supplied for use as amineral supplement in animal feeds.NOTE1The calcium needed for animal nutrition is customarilysupplied by li
3、mestone.Such limestone must be sufficiently fine to blendwith mixed feeds and yet be free from excessive dusting.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard,except for sieve frames which are given in inch-pound units in a
4、ccordance with Specification E11.1.3 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 standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitation
5、s prior to use.2.Referenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quicklime,and Hydrated LimeC50 Practice for Sampling,Sample Preparation,Packaging,and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone(as usedby the Indust
6、ry)C110 Test Methods for Physical Testing of Quicklime,Hydrated Lime,and LimestoneC1271 Test Method for X-ray Spectrometric Analysis ofLime and LimestoneC1301 Test Method for Major and Trace Elements in Lime-stone and Lime by Inductively Coupled Plasma-AtomicEmission Spectroscopy(ICP)and Atomic Abso
7、rption(AA)E11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Terminology3.1 Definitions of terms applying to this specification appearin Terminology C51.4.General Requirements4.1 The product must be suitable for animal feeding.5.Chemical Requirements5.1 Limestone,as identified on feed
8、 labels,shall conform tothe chemical requirements given in Table 1.6.Physical Requirements6.1 Sieve analysis and other physical requirements shall bespecified by the purchaser.7.Test Methods7.1 Chemical AnalysisUnless otherwise agreed upon be-tween the purchaser and the manufacturer,the chemical ana
9、ly-sis of the limestone shall be conducted in accordance with TestMethods C25,C1271,or C1301.7.2 Particle SizeUnless otherwise agreed upon betweenthe purchaser and the manufacturer,the sieve analysis of thematerial shall be determined in accordance with Test MethodsC110.7.2.1 ProcedureIf the entire
10、sample is not to be dried,obtain lesser portions by riffling or quartering.Dry at between115 to 120 C to a constant mass and cool to room temperature.Obtain a 90 to 120-g dry sample by riffling or quartering.If thematerial tends to cake,break up the agglomerates with a softrubber pestle.Quantitative
11、ly transfer the weighed sample to an8-in.diameter standard sieve or set of sieves for example,2.00mm,850 m,425 m,250 m,180 m,and 150 m(Nos.10,20,40,60,80,and 100)or other appropriate combinationconforming to Specification E11).Conduct the sieve analysisin accordance with Test Methods C110.8.Sampling
12、,Inspection,etc.8.1 Thesampling,inspection,rejection,retesting,packaging,and marking shall be conducted in accordance withMethods C50.9.Keywords9.1 animal;feed;limestone;mineral;supplement1This specification is under the jurisdiction of ASTM Committee C07 on Limeand is the direct responsibility of S
13、ubcommittee C07.02 on Specifications andGuidelines.Current edition approved Dec.1,2013.Published January 2014.Originallyapproved in 1972.Last previous edition approved in 2008 as C706 02(2008)1.DOI:10.1520/C0706-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Cus
14、tomer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 ASTM International takes no position resp
15、ecting the validity of any patent rights asserted in connection with any item mentionedin this standard.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 stan
16、dard 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 additional 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
