ASTM E1878-1997(2013) 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: E1878 97 (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
2、 last revision. 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-p
3、oses 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 flasks
4、 are given inspecification E288.NOTE 2Specifications 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 Standard
5、s:2E237 Specification 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 f
6、or Laboratory Glass Volumetric 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
7、for Sampling and Testing 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 a
8、ccordance with themethods outlined 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
9、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 horizontal.5.2 Volumetric TolerancesFlasks sh
10、all 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 applied by one of the followingmethods; e
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