ASTM E1878-1997(2003) Standard Specification for Laboratory Glass Volumetric Flasks Special Use《专用实验室玻璃容量瓶的标准规范》.pdf

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1、Designation: E 1878 97 (Reapproved 2003)Standard Specification forLaboratory Glass Volumetric Flasks, Special Use1This standard is issued under the fixed designation E 1878; 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers requirements for glass volu-metric flasks of precision grades suitable for laboratory pu

3、r-poses and of specialty use. Each flask shall be marked with theletter “A” to signify compliance with applicable constructionand accuracy requirements. Flasks may be marked with anidentification number (serial number) at the option of themanufacturer.NOTE 1Specifications for standard volumetric fla

4、sks are given inspecification E 288.NOTE 2Specifications for microvolumetric flasks in sizes from 1 to 25mL are given in specification E 237.1.2 The values stated in SI units are to be regarded as thestandard.2. Referenced Documents2.1 ASTM Standards:E 237 Specification for Microvolumetric Vessels (

5、Volumet-ric Flasks and Centrifuge Tubes)2E 288 Specification for Laboratory Glass VolumetricFlasks2E 438 Specification for Glasses in Laboratory Apparatus2E 542 Practice for Calibration of Volumetric Ware2E 671 Specification for Maximum Permissible ThermalStress in Annealed Glass Laboratory Apparatu

6、s2E 694 Specification for Laboratory Glass Volumetric Appa-ratus2E 920 Specification for Commercially Packaged LaboratoryApparatus2E 921 Specification for Export Packaged Laboratory Appa-ratus2E 1133 Practice for Performance Testing of Packaged Labo-ratory Apparatus for United States Government Proc

7、ure-ments2E 1157 Specification for the Sampling and Testing of Reus-able Laboratory Apparatus23. Styles3.1 Style 1Bates, sugar, wide neck, size 100 mL3.2 Style 2Kohlraush, enlarged cup, sizes 100, 200, and500 mL3.3 Style 3Sugar, two graduations, sizes 100 to 110 and200 to 220 mL4. General Requiremen

8、ts4.1 Calibrationflasks calibrate in accordance with themethods outlined in Practice E 542.4.2 GeneralSee Specification E 694 for general require-ments not covered in this specification.5. Design5.1 ShapeStyle 1 and 3 flask necks shall be designed withre-inforced rims for acceptance of rubber stoppe

9、r or may beflared. Style 2 shall have a neck with an enlarged cup beadedto accept a rubber stopper. Flask shapes shall permit completeemptying and thorough cleaning. The area of the bottom orbase shall be of sufficient size so the flask, when empty, shallstand on an inclined plane of 15 to the horiz

10、ontal.5.2 Volumetric TolerancesFlasks shall be in accordancewith tolerances appearing in Table 1.5.3 MarkingsAll markings shall be permanent and leg-ible.5.3.1 Capacity LineThe capacity line shall be sharplydefined and of uniform width in a plane parallel to the base ofthe flask. The line shall be a

11、pplied by one of the followingmethods; etched and filled with a permanent pigment; en-graved; by application of a stain fired into the glass withoutetching or by application of an enamel which is fused on theglass without etching. Lines shall be in accordance withSpecification E 694 for thickness an

12、d lengths.5.3.2 Identification MarkingsEach flask, marked by oneof the methods given in 5.3.1 shall show the manufacturersname or trademark, the nomical capacity, the word “contains”or the symbol “TC” and the temperature of calibration, that is,20 C.5.3.3 Laboratory Marking SpotEach flask shall have

13、 anarea roughened by blasting or enameled to provide a suitablearea for laboratory marking.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee E41.01 onGlass Apparatus.Current edition approved May 10, 1997. Publi

14、shed May 1998.2Annual Book of ASTM Standards, Vol 14.02.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6. Sampling and Testing6.1 Refer to Specification E 1157.7. Packaging and Package Marking7.1 Select from one of Specifications E

15、920, E 921 orPractice E 1133.8. Keywords8.1 flasks; glass; special use; volumetricASTM 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 v

16、alidity 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 responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your c

17、omments are invited either for revision of 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 ha

18、ve 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, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multipl

19、e 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).TABLE 1 Requirements for FlasksCapacity LineCapacity Distance from, mm, min Rubber Reference Dimens

20、ionsStyle Capacity, mL Tolerance, mL Inside Dia At line, mm, max Top Bulb Stopper Outside Diameter X Length1 100 0.08 12.5 20 5 00 60 1302 100 0.08 14.5 10A10 6.5 65 1602 200 0.10 15.0 15A10 7.5 76 2002 500 0.20 18.5 15A10 9 102 2653 100 to 110 0.08 13.5 30 10 0 65 1953 200 to 220 0.10 20.5 30 10 3 75 215AFrom cup.E 1878 97 (2003)2