1、Designation:D 1539 60(Reapproved 1998)Standard Specification forDehydrated Castor Acids1This standard is issued under the fixed designation D 1539;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
2、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 acids produced from dehy-drated castor oil.Two types are covered as follows:1.1.1 Type IDistilled dehydrated castor acids.
3、1.1.2 Type IIUndistilled dehydrated castor acids.2.Referenced Documents2.1 ASTM Standards:D 1358 Test Method for Spectrophotometric Diene Value ofDehydrated Castor Oil and Its Derivatives2D 1467 Guide for Testing Fatty Acids Used in ProtectiveCoatings2D 1544 Test Method for Color of Transparent Liqu
4、ids(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 1980 Test Method for Acid Value of Fatty Acids andPolymerized Fatty Acids23.Properties3.1 Dehydrated castor a
5、cids shall conform to the followingrequirements given in Table 1.4.Test Methods4.1 The properties enumerated in this specification shall bedetermined in accordance with Methods D 1467,except thatthe spectrophotometric diene value shall be determined inaccordance with Test Method D 1358.5.Keywords5.1
6、 castor fatty acids;castor oil;dehydrated castor acidsThe 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 va
7、lidity of any 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by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your commen
8、ts are invited 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
9、 hearing you 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 Applications and is the direct responsibility ofSubcommittee D01
10、.32 on Drying Oils.Current edition approved Sept.19,1960.Originally issued 1958.ReplacesD 1539 58 T.2Annual Book of ASTM Standards,Vol 06.03.3Annual Book of ASTM Standards,Vol 06.01.TABLE 1 Requirements for Dehydrated Castor AcidsASTMTestMethodType IType IIAcid valueD 1980195 to 200187 to 195Saponif
11、ication valueD 1962195 to 200193 to 199Iodine valueD 1959150 to 156138 to 143Color,GardnerD 15441 max5 to 8Spectrophotometric diene valueD 135828 to 3525 to 321AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM