ASTM E123-2002(2012) 3125 Standard Specification for Apparatus for Determination of Water by Distillation《蒸馏法水分测定装置的标准规范》.pdf

1、Designation: E123 02 (Reapproved 2012)Standard Specification forApparatus for Determination of Water by Distillation1This standard is issued under the fixed designation E123; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year

2、 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.1. Scope1.1 This specification covers apparatus used in Test MethodD95 and other similar ASTM test methods.2. Referenced Docum

3、ents2.1 ASTM Standards:2D95 Test Method for Water in Petroleum Products andBituminous Materials by Distillation3. Apparatus Assembly3.1 Typical assemblies of the apparatus are shown in Fig. 1and Fig. 2. The glass flask has been generally used forpetroleum products, soaps, naval stores, etc., and the

4、 metal stillfor road materials and tars.4. Glass Flask4.1 The glass flask shall have nominal capacities of 500 mLor 1000 mL, as required, and shall be made of heat-resistantglass. Styles shall be as shown in Fig. 3 and Fig. 4 and as listedin the following table:Style Size, mL Shape Top Finish Figure

5、A 500 round with$jointFig. 3B 500 round with$jointFig. 3C 1000 round with$jointFig. 3D 500 Erlenmeyer with$jointFig. 45. Metal Still5.1 The metal still shall have an approximate capacity of1000 mL. It may be constructed of any suitable metal; butcopper is recommended for the vessel, and copper or br

6、ass forthe lid. Fig. 5 shows the essential dimensions and a satisfactoryconstruction of vessel head and clamp. Other means of closuremay be used that provide a tight seal of head to body.6. Heater6.1 Any suitable gas burner or electric heater may be usedwith the glass still. With the metal still, a

7、ring gas burner,having an inside diameter of 414 in. (108 mm) with holes in theinside periphery should be used.7. Condenser7.1 The condenser shall be a Liebig or West straight typewith a jacket not less than 400 mm long. Fig. 6 shows thegeneral construction of suitable condensers.8. Traps8.1 The tra

8、ps shall be of 5-mL, 10-mL, and 25-mL capaci-ties. Six styles are provided as specified in Table 1 and shownin Figs. 7-11.9. Keywords9.1 apparatus; distillation.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee

9、 E41.01 onApparatus.Current edition approved Nov. 1, 2012. Published November 2012. Originallyapproved in 1956. Last previous edition approved in 2007 as E123 02(2007). DOI:10.1520/E0123-02R12.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at se

10、rviceastm.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 States1NOTE 1Trap shall be 15 to 16 mm in inside diameter.FIG

11、. 1 Typical Assemblies with Glass FlaskFIG. 2 Typical Assemblies with Metal StillNoteAll dimensions are in millimetres.A. 500 mL with Taper Joint. B. 500 mL with Ball-and-Socket Joint. C. 1000 mL with Taper Joint.FIG. 3 Glass Flasks, Round-BottomE123 02 (Reapproved 2012)2FIG. 4 Erlenmeyer Flask, 500

12、-mL CapacityFIG. 5 Metal StillE123 02 (Reapproved 2012)3NOTE 1Ends of connections to water supply and drain may vary indesign. Connection may be on same or opposite sides of jacket.FIG. 6 CondensersTABLE 1 Dimensions and Sizes of TrapsStyleDescriptionFigureSize ofTrap, mLRange, mLSmallest ScaleDivis

13、ion, mLScale Error,max, mLTop ofGraduatedTubeBottom ofGraduatedTubeBottom ofVaporTubeA$jointconical$joint7 10 0 to 1.0 0.1 0.05over 1.0 to 10.0 0.2 0.1B joint conical joint 8 0 to 1.0 0.1 0.05C joint conical plain 9 25 over 1.0 to 25 0.2 0.1D plain conical plain 10E$jointround$joint11 5 0 to 5.0 0.1

14、 0.0510 0 to 10.0 0.1 0.1E123 02 (Reapproved 2012)4NOTE 1All dimensions are in millimetres.FIG. 7 Traps (Style A)NOTE 1All dimensions are in millimetres.FIG. 8 Traps (Style B)NOTE 1All dimensions are in millimetres.FIG. 9 Traps (Style C)E123 02 (Reapproved 2012)5ASTM International takes no position

15、respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.Th

16、is 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 invited either for revision of this standard or for additional standardsand should be addressed to ASTM Int

17、ernational Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown

18、 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 or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9

19、555 (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/).NOTE 1All dimensions are in millimetres.FIG. 10 Traps (Style D)FIG. 11 Traps (Style E), 5-mL and 10-mL CapacitiesE123 02 (Reapproved 2012)6