ASTM E123-2002(2007) 431 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

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1、Designation: E 123 02 (Reapproved 2007)Standard Specification forApparatus for Determination of Water by Distillation1This standard is issued under the fixed designation E 123; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the ye

2、ar of last revision. A number 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 apparatus used in Test MethodD95and other similar ASTM test methods.2. Referenced Doc

3、uments2.1 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 t

4、he 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 Figu

5、reA 500 round with $ joint Fig. 3B 500 round with $ joint Fig. 3C 1000 round with $ joint Fig. 3D 500 Erlenmeyer with $ joint Fig. 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, an

6、d copper or brass 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 m

7、etal still, a ring gas burner,having an inside diameter of 414 in. (108 mm) with holes in theinside periphery should be used.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee E41.01 onApparatus.Current edition

8、approved Nov. 1, 2007. Published December 2007. Originallyapproved in 1956. Last previous edition approved in 2002 as E 123 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information

9、, refer to the standards Document Summary page onthe ASTM website.NOTE 1Trap shall be 15 to 16 mm in inside diameter.FIG. 1 Typical Assemblies with Glass FlaskFIG. 2 Typical Assemblies with Metal Still1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959

10、, United States.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 traps shall be of 5-mL, 10-mL, and 25-mL capaci-ties. Six styles are provided as specified in Tabl

11、e 1 and shownin Figs. 7-11.9. Keywords9.1 apparatus; distillation.NoteAll 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-BottomFIG. 4 Erlenmeyer Flask, 500-mL CapacityTABLE 1 Dimensions and Sizes

12、of TrapsStyleDescriptionFigureSize ofTrap, mLRange, mLSmallest ScaleDivision, mLScale Error,max, mLTop ofGraduatedTubeBottom ofGraduatedTubeBottom ofVaporTubeA $ joint conical $ joint 7 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 ov

13、er 1.0 to 25 0.2 0.1D plain conical plain 10E $ joint round $ joint 11 5 0 to 5.0 0.1 0.0510 0 to 10.0 0.1 0.1E 123 02 (2007)2FIG. 5 Metal StillE 123 02 (2007)3NOTE 1Ends of connections to water supply and drain may vary indesign. Connection may be on same or opposite sides of jacket.FIG. 6 Condense

14、rsNOTE 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)E 123 02 (2007)4ASTM International takes no position respecting the validity of any patent rights asserted in co

15、nnection 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.This standard is subject to revision at any time by the respo

16、nsible 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 International Headquarters. Your comments will receive careful

17、 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 below.This standard is copyrighted by ASTM International,

18、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), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).NOTE 1All dimensions are in millimetres.FIG. 10 Traps (Style D)FIG. 11 Traps (Style E), 5-mL and 10-mL CapacitiesE 123 02 (2007)5