1、Designation: E 205 96 (Reappproved 2005)Standard Specification forGlass and Oxygen Combustion Flask1This standard is issued under the fixed designation E 205; 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 the flask and closure, with afixed platinum sample holder, used in the original oxygen-flaskcombustion
3、procedures (1, 2).2NOTE 1This specification was originally developed by the Committeeon MicrochemicalApparatus, Division ofAnalytical Chemistry,AmericanChemical Society (3). Specifications for types of apparatus that utilizeelectric (2, 4-7) or infrared (8) ignition are not included because of lack
4、ofexperience with these.2. Referenced Documents2.1 ASTM Standards:3E 920 Specification for Commercially Packaged LaboratoryApparatusE 921 Specification for Export Packaged Laboratory Appa-ratusE 1133 Practice for Performance Testing of Packaged Labo-ratory Apparatus for United States Government Proc
5、ure-mentsE 1157 Specification for the Sampling and Testing of Reus-able Laboratory Glassware3. Combustion Flasks3.1 Combustion flasks shall be of borosilicate glass andshall conform to the requirements shown in Fig. 1 for the 300and 500-ml sizes, respectively.NOTE 2Larger flasks (1000 and 2000-ml si
6、zes) have been used,particularly when analyses are done on tissue.4. Flask Closure4.1 The flask closure, that is used with either size flask, shallbe of borosilicate glass and shall be provided with a fixedplatinum sample holder and shall conform to the requirementsshown in Fig. 1. WarningAlthough b
7、road usage has shownoxygen flask combustion to be generally safe, precautions,such as use of gloves, goggles, shields, and so forth, should betaken when using these flasks for this purpose.5. Sampling and Testing5.1 Refer to Specification E 1157.6. Packaging6.1 Select from one of Specification E 920
8、, SpecificationE 921, or Practice E 1133.7. Keywords7.1 combustion; flask; glass; oxygen1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee E41.01 onApparatus.Current edition approved Oct. 1, 2005. Published Dece
9、mber 2005. Originallyapproved in 1962. Last previous edition approved in 2000 as E 205 96 (2000).2The boldface numbers in parentheses refer to the list of references appended tothis specification.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
10、 serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.REFERENCES(1) Schniger, W., “Eine mikroanalytische
11、 Schnellbestimmung von Halo-gen in organischen Substanzen,” Mikrochimica Acta, Issue 1, 1955, p.123. “Die mikroanalytische Schnellbestimmung von Halogenen undSchwefel in organischen Verbindungen,” Mikrochimica Acta, Issues16, 1956, p. 869.(2) Steyermark, Al, Quantitative Organic Microanalysis, 2nd E
12、d., Aca-demic Press, New York, NY, 1961, p. 292.(3) Committee on Microchemical Apparatus, Division of AnalyticalChemistry, American Chemical Society, “Report on RecommendedSpecifications for Microchemical Apparatus, Oxygen Flask Combus-tion,” Analytical Chemistry, Vol 33, November 1961, p. 1789.(4)
13、Cheng, F. W., and Smullin, C. F., “An Apparatus for the FlaskCombustion of Organic Compounds Adaptable to Carbon Determina-tion,” Microchemical Journal, Vol 4, Issue 2, 1960, p. 213.(5) Juvet, R. S., and Chiu, J., “Determination of Carbon in OrganicSubstances by an Oxygen-Flask Method,” Analytical C
14、hemistry,Vol32, January 1960, p. 130.(6) Martin, A. J., and Deveraux, H., “Electric Ignition in the SchnigerOxygen Flask Method,” Analytical Chemistry, Vol 31, December1959, p. 1932.(7) Weir, H. E., “A Compact Igniter and Safety Shield for the ImprovedSchnigerApparatus,” Microchemical Journal, Vol 6
15、, Issue 1, 1962, p.109.(8) Ogg, C. L., Kelly, R. B., and Connelly, J. A., “Apparatus for Safe,Oxygen-Filled Flask Combustion,” Proceedings, 1961 InternationalSymposium on Microchemical Techniques, Microchemical Journal,Symposium Series, edited by Cheronis, N. D., Interscience Publishers,New York, NY
16、, London, England, Vol II, 1962, p. 427.ASTM International takes no position 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
17、 riskof infringement of such rights, are entirely their own responsibility.This 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
18、 this standard or for additional standardsand should be addressed to ASTM International 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 shouldm
19、ake your views known to the ASTM Committee on Standards, at the address shown 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), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).FIG. 1 Oxygen-Combustion Flasks and ClosureE 205 96 (Reappproved 2005)2
