1、Designation:D 1538 60(Reapproved 1998)Standard Specification forDistilled Linseed Fatty Acids1This standard is issued under the fixed designation D 1538;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb
2、er 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 specification covers distilled acids derived from thedistillation of linseed oil.Two types are covered as follows:1.1.1 Type IUsually pro
3、duced from degummed linseed oiland referred to as water white linseed fatty acids.1.1.2 Type IIUsually produced from recovered linseed oiland referred to as regular distilled linseed fatty acids.2.Referenced Documents2.1 ASTM Standards:D 1467 Guide for Testing Fatty Acids Used in ProtectiveCoatings2
4、D 1544 Test Method for Color of Transparent Liquids(Gardner Color Scale)3D 1959 Test Method for Iodine Value of Drying Oils andFatty Acids2D 1962 Test Method for Saponification Value of DryingOils,Fatty Acids,and Polymerized Fatty Acids2D 1965 Test Method for Unsaponifiable Matter in DryingOils,Fatt
5、y Acids,and Polymerized Fatty Acids2D 1980 Test Method for Acid Value of Fatty Acids andPolymerized Fatty Acids2D 1982 Test Method for Titer of Fatty Acids23.Properties3.1 Distilled linseed fatty acids shall conform to the follow-ing requirements:ASTMTestMethodsType IType IIAcid valueD 1980197 to 20
6、4195 to 202Saponification valueD 1962197 to 204195 to 202Unsaponifiable matter,max,%D 19651.02.0Iodine value,minD 1959179155Color,Gardner,maxD 154437Titer,CD 198217 to 2019 to 254.Test Methods4.1 The properties enumerated in this specification shall bedetermined in accordance with Methods D 1467.5.K
7、eywords5.1 linseed fatty acids;linseed oilThe American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectionwith any item mentioned in this standard.Users of this standard are expressly advised that determination of the validity of an
8、y suchpatent rights,and the risk of 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by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invit
9、ed either for revision of this standard or for additional standardsand should be addressed to ASTM Headquarters.Your comments will receive careful consideration at a meeting of the responsibletechnical committee,which you may attend.If you feel that your comments have not received a fair hearing you
10、 should make yourviews known to the ASTM Committee on Standards,100 Barr Harbor Drive,West Conshohocken,PA 19428.1This specification is under the jurisdiction of ASTM Committee D-1 on Paintand Related Coatings,Materials,and Applicationsand is the direct responsibility ofSubcommittee D01.32on Drying
11、Oils.Current edition approved Sept.19,1960.Originally issued 1958.ReplacesD 1538 58 T.2Annual Book of ASTM Standards,Vol 06.03.3Annual Book of ASTM Standards,Vol 06.01.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM