1、Designation:E187897(Reapproved 2013)Standard Specification forLaboratory Glass Volumetric Flasks,Special Use1This standard is issued under the fixed designation E1878;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last r
2、evision.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 requirements for glass volu-metric flasks of precision grades suitable for laboratory pur-poses and of
3、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.NOTE1Specifications for standard volumetric flasks are given inspecif
4、ication E288.NOTE2Specifications for microvolumetric flasks in sizes from 1 to 25mL are given in specification E237.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.2.Referenced Documents2.1 ASTM Standards:2E237 Specification
5、for Laboratory Glass MicrovolumetricVessels(Volumetric Flasks and Centrifuge Tubes)E288 Specification for Laboratory Glass Volumetric FlasksE438 Specification for Glasses in Laboratory ApparatusE542 Practice for Calibration of Laboratory VolumetricApparatusE694 Specification for Laboratory Glass Vol
6、umetric Appa-ratusE920 Specification for Commercially Packaged LaboratoryApparatusE921 Specification for Export Packaged Laboratory Appa-ratusE1133 Practice for Performance Testing of Packaged Labo-ratory Apparatus for United States Government Procure-mentsE1157 Specification for Sampling and Testin
7、g of ReusableLaboratory Glassware3.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 Requirements4.1 Calibrationflasks calibrate in accordance with themethods outlined
8、 in Practice E542.4.2 GeneralSee Specification E694 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 stopper or may beflared.Style 2 shall have a neck with an enlarged cup beadedto a
9、ccept 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 horizontal.5.2 Volumetric TolerancesFlasks shall be in accordancewith tolerances appe
10、aring 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 applied by one of the followingmethods;etched and filled with a permanent pigment;
11、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 E694 for thickness and lengths.5.3.2 Identification MarkingsEach flask,marked by oneof the methods given in
12、 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.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatusand is the direct responsibility of Subcommittee E41.
13、01 onApparatus.Current edition approved Nov.1,2013.Published December 2013.Originallyapproved in 1997.Last previous edition approved in 2008 as E187897(2008).DOI:10.1520/E1878-97R13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.
14、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 States1 5.3.3 Laboratory Marking SpotEach flask shall have anarea roughened by bla
15、sting or enameled to provide a suitablearea for laboratory marking.6.Sampling and Testing6.1 Refer to Specification E1157.7.Packaging and Package Marking7.1 Select from one of Specifications E920,E921 or Prac-tice E1133.8.Keywords8.1 flasks;glass;special use;volumetricASTM International takes no pos
16、ition 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.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 invite
