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ASTM_D_85_-_05_2011.pdf

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1、Designation:D8505(Reapproved 2011)Standard Specification forOchre Pigment1This standard is issued under the fixed designation D85;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indica

2、tes the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers ferrous earthy pigment in-cluded under the general term“ochre.”The pigment may bepurchased in the dry form.2.Referenced Documents2.1 ASTM Stan

3、dards:2D50 Test Methods for ChemicalAnalysis of Yellow,Orange,Red,and Brown Pigments Containing Iron and Manga-neseD185 Test Methods for Coarse Particles in PigmentsD280 Test Methods for Hygroscopic Moisture(and OtherMatter Volatile Under the Test Conditions)in PigmentsD387 Test Method for Color and

4、 Strength of ChromaticPigments with a Mechanical MullerD1208 Test Methods for Common Properties of CertainPigments3.Composition and Properties3.1 The pigment shall be a hydrated oxide of iron permeat-ing a siliceous base and shall be free from added impurities andadded coloring matter.The pigment sh

5、all conform to thefollowing requirements:Ferric oxide,min,%17Calcium oxide,max,%5Lead chromatenoneOrganic coloring matternoneMoisture and other volatile matter,max,%1.0Coarse particles(total residue retained on a No.325(45-m)sieve),max,%1.03.2 The mass color and character of the tint and the tinting

6、strength formed by a mixture with a white pigment shall bewithin mutually agreed upon limits of a standard acceptable toboth the purchaser and the seller.4.Sampling4.1 Two samples shall be taken at random from differentpackages from each lot,batch,days pack,or other unit ofproduction in a shipment.W

7、hen no markings distinguishingbetween units of production appear,samples shall be takenfrom different packages in the ratio of two samples for each 5tons(inch-pound or SI),except that for shipments of less than10 000 lb two samples shall be taken.At the option of thepurchaser,the samples may be test

8、ed separately or afterblending in equal quantities the samples from the sameproduction unit to form a composite sample.5.Test Methods5.1 Tests shall be conducted in accordance with the appro-priate ASTM test methods.Test procedures not covered byASTM methods shall be mutually agreed upon between the

9、purchaser and the seller.5.2 Chemical Analysis of Dry PigmentTest Methods D50.5.3 Coarse ParticlesTest Methods D185.5.4 Mass Color and Tinting StrengthTest Method D387.5.5 Volatile MatterTest Methods D1208.5.6 MoistureTest Methods D280,Method A.6.Keywords6.1 ferrous;hydrated iron oxide;ochre;pigment

10、1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.31 on Pigment Specifications.Current edition approved June 1,2011.Published June 2011.Originallyapproved in 1921.Last previo

11、us edition approved in 2005 as D85 05.DOI:10.1520/D0085-05R11.2For 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.Copy

12、right ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that

13、 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 reviewed every five years andif not revised,either reapproved

14、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

15、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 o

16、r 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).Permission rights to photocopy the standard may also be secured from the ASTM website(www.astm.org/COPYRIGHT/).D85 05(2011)2

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