1、Designation:D207407(Reapproved 2019)Standard Test Methods forTotal,Primary,Secondary,and Tertiary Amine Values ofFatty Amines by Alternative Indicator Method1This standard is issued under the fixed designation D2074;the number immediately following the designation indicates the year oforiginal adopt
2、ion or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.These test methods were prepared jointly by ASTM and the American Oil Chemists Society.1.Sc
3、ope1.1 These alternative test methods cover the indicator pro-cedure for determining the total,primary,secondary,andtertiary amine values of fatty amines.These procedures are notapplicable to fatty amidoamines and fatty diamines.1.2 The values stated in SI units are to be regarded asstandard.No othe
4、r units of measurement are included in thisstandard.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,health,and environmental practices and deter-mine the appli
5、cability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by th
6、e World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent Water3.Terminology3.1 Definitions:3.1.1 primary amine value,nthe number of milligrams ofpotassium hydroxide(KOH)equivalent to the primary aminebasicity in 1 g
7、 of sample.3.1.2 secondary amine value,nthe number of milligramsof potassium hydroxide(KOH)equivalent to the secondaryamine basicity in 1 g of sample.3.1.3 tertiary amine value,nthe number of milligrams ofpotassium hydroxide(KOH)equivalent to the tertiary aminebasicity in 1 g of sample.3.1.4 total a
8、mine value,nthe number of milligrams ofpotassium hydroxide(KOH)equivalent to the basicity in 1 g ofsample.4.Apparatus4.1 Erlenmeyer Flasks,wide-mouth,alkali-resistant,borosilicate-glass,250-mL capacity.4.2 Magnetic Stirrer,with an inert plastic-coated stirringbar.5.Reagents5.1 Purity of ReagentsReag
9、ent grade chemicals shall beused in all tests.Unless otherwise indicated,it is intended thatall reagents shall conform to the specifications of the Commit-tee on Analytical Reagents of the American Chemical Society,where such specifications are available.3Other grades may beused,provided it is first
10、 ascertained that the reagent is ofsufficiently high purity to permit its use without lessening theaccuracy of the determination.5.2 Purity of WaterUnless otherwise indicated,referencesto water shall be understood to mean reagent water conformingto Type II of Specification D1193.5.3 Bromphenol Blue
11、Indicator SolutionDissolve 0.2 g ofbromphenol blue in 100 mL of methanol,ethanol,or isopro-panol.5.4 Bromcresol Green Indicator SolutionDissolve 0.1 g ofbromcresol green sodium salt in 100 mL of water.5.5 Chloroform(CHCl3).5.6 Hydrochloric Acid,Standard Solution(0.1 N)Add 17mLof concentrated hydroch
12、loric acid(HCl,sp gr 1.19)to 10001These test methods are under the jurisdiction of ASTM Committee D01 onPaint and Related Coatings,Materials,and Applications and are the directresponsibility of Subcommittee D01.33 on Polymers and Resins.Current edition approved Oct.1,2019.Published October 2019.Orig
13、inallyapproved in 1962.Last previous edition approved in 2013 as D2074 07(2013).DOI:10.1520/D2074-07R19.2For 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 Doc
14、ument Summary page onthe ASTM website.3ACS Reagent Chemicals,Specifications and Procedures for Reagents andStandard-Grade Reference Materials,American Chemical Society,Washington,DC.For suggestions on the testing of reagents not listed by the American ChemicalSociety,see Analar Standards for Laborat
15、ory Chemicals,BDH Ltd.,Poole,Dorset,U.K.,and the United States Pharmacopeia and National Formulary,U.S.Pharma-copeial Convention,Inc.(USPC),Rockville,MD.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was develop
16、ed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 mL of isopropyl alcohol in a 2-L volumetric flask.Make up tovolume after cooling to room temperature.Standardize withsodium carbonate using bromcresol green as the indicator.5.7 Hydrochloric Acid,Standard Solution(0.2 N)Add
