1、Designation: E 123 02Standard 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 year of last revisio
2、n. 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 MethodD 95 and other similar ASTM test methods.2. Referenced Documents2.1 ASTM S
3、tandards:D 95 Test Method for Water in Petroleum Products andBituminous Materials by Distillation23. 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 metal stillf
4、or 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 FigureA 500 round w
5、ith $ 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, and copper or bra
6、ss 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 r
7、ing 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 the1This specification is under the jurisdiction of ASTM Committee
8、E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee E41.01 onApparatus.Current edition approved May 10, 2002. Published July 2002. Originallypublished as E 123 56 T. Last previous edition E 123 78 (1990).2Annual Book of ASTM Standards, Vol 05.01.NOTE 1Trap shall be 15 to 16 m
9、m 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, United States.general construction of suitable condensers.8. Traps8.1 The traps shall be of 5-
10、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.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, Rou
11、nd-BottomFIG. 4 Erlenmeyer Flask, 500-mL CapacityTABLE 1 Dimensions and Sizes 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
12、 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 $ joint round $ joint 11 5 0 to 5.0 0.1 0.0510 0 to 10.0 0.1 0.1E123022FIG. 5 Metal StillE123023NOTE 1Ends of connections to water supply and drain may vary indesign. Connectio
13、n may be on same or opposite sides of jacket.FIG. 6 CondensersNOTE 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)E123024ASTM International takes no position respecti
14、ng 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.This stand
15、ard 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 Internation
16、al 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 below.T
17、his 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), 610-832-9555 (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 CapacitiesE123025
