1、Designation:D102510(Reapproved 2021)Standard Test Method forNonvolatile Residue of Polymerization-Grade Butadiene1,2This standard is issued under the fixed designation D1025;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination of nonvolatilematerial in polymerization-grade butadiene.1.2 WARNINGMercury has
3、been designated by manyregulatory agencies as a hazardous substance that can causeserious medical issues.Mercury,or its vapor,has been dem-onstrated to be hazardous to health and corrosive to materials.Use Caution when handling mercury and mercury-containingproducts.See the applicable product Safety
4、 Data Sheet(SDS)for additional information.The potential exists that sellingmercury or mercury-containing products,or both,is prohibitedby local or national law.Users must determine legality of salesin their location.1.3 The values stated in SI units are to be regarded asstandard.No other units of m
5、easurement are included in thisstandard.1.4 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 todetermine the applicability of
6、 regulatory limitations prior touse.1.5 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 the World Trad
7、e Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3E1 Specification for ASTM Liquid-in-Glass Thermometers3.Summary of Test Method3.1 A measured volume of liquid butadiene is allowed toevaporate at room temperature from a small glass evaporatingdish unti
8、l only residue remains.The evaporation is thencompleted by heating the dish to a constant weight.4.Significance and Use4.1 This test method is used to determine if there is anyheavy material in the butadiene.It is possible that thesematerials could be deleterious to a polymerization reaction.5.Appar
9、atus5.1 Balance,Analytical,capable of weighing to the nearest0.1 mg.5.2 Evaporating Dish,glass,80 mm in diameter and 45 mmin height.5.3 Graduated Cylinder,capacity of 25 mL,graduated in0.2 mL subdivisions.5.4 Oven,capable of maintaining a temperature of 105 C 65 C.5.5 Cooling Vessel,tightly covered,
10、such as a glassdesiccator,for cooling the evaporating dish before weighing.5.6 Thermometer,range from 40 C to 50 C,graduated in1 C intervals,conforming to the requirements for ASTMThermometer 1C as prescribed in Specification E1 is satisfac-tory.Temperature measuring devices that cover the tempera-t
11、ure range of interest,such as the ASTM 1C thermometer,orliquid-in-glass thermometers,thermocouples,or platinum re-sistance thermometers that provide equivalent or better accu-racy and precision may be used.1This test method is under the jurisdiction of Committee D02 on PetroleumProducts,Liquid Fuels
12、,and Lubricants and is the direct responsibility of Subcom-mittee D02.D0.04 on C4 and C5 Hydrocarbons.Current edition approved Jan.1,2021.Published February 2021.Originallyapproved in 1949.Last previous edition approved in 2015 as D1025 10(2015)1.DOI:10.1520/D1025-10R21.2This test method is an adapt
13、ation of one developed and cooperatively tested bythe Butadiene Producers Committee on Specifications and Methods of Analysis ofthe Office of Rubber Reserve.It appears in the Butadiene Laboratory Manual,Officeof Rubber Reserve,as Method No.2.1.56.2.3For referenced ASTM standards,visit the ASTM websi
14、te,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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis inte
15、rnational standard was developed 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)Commi
16、ttee.16.Preparation of Apparatus6.1 Clean the evaporating dishes with a chromic-acid solu-tion or other suitable cleaning agent before each test.(WarningCauses severe burns.A recognized carcinogen.Strong oxidizer.Contact with organic material may cause fire.)Remove the dishes from the cleaning solution with stainless-steel forceps and handle only with forceps thereafter.Wash thedishes thoroughly,first with tap water,then with distilled water,and dry in the oven at 105 C for about 1 h,or until co
