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ASTM E1377-99(2010)

(Specification)

Standard Specification for Laboratory Glass Kjeldahl Flasks

Standard Specification for Laboratory Glass Kjeldahl Flasks

ABSTRACT
This specification provides standard dimensional requirements for glass Kjeldahl flasks for nitrogen digestion analysis. The ungraduated flasks, Type I, and graduated flasks, Type II, shall conform to the specified capacities. Flasks shall be made of borosilicate glass, conforming to the required maximum residual stress, tolerance of volumetric accuracy, and dimensions.
SCOPE
1.1 This specification provides standard dimensional requirements for glass Kjeldahl flasks for nitrogen digestion analysis.

General Information

Status
Historical
Publication Date
31-Aug-2010
ICS
71.040.20 - Laboratory ware and related apparatus
Technical Committee
E41 - Laboratory Apparatus
Drafting Committee
E41.01 - Laboratory Ware and Supplies
Current Stage
Ref Project

Relations

Replaces
ASTM E1377-99(2005) - Standard Specification for Laboratory Glass Kjeldahl Flasks
Effective Date
01-Sep-2010

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ASTM E1377-99(2010) - Standard Specification for Laboratory Glass Kjeldahl FlasksASTM E1377-99(2010) - Standard Specification for Laboratory Glass Kjeldahl Flasks
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ASTM E1377-99(2010) - Standard Specification for Laboratory Glass Kjeldahl Flasks
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E1377 −99(Reapproved 2010)
Standard Specification for
1
Laboratory Glass Kjeldahl Flasks
This standard is issued under the fixed designation E1377; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2 Graduated Flasks, Type II, shall be of the following
capacity:
1.1 This specification provides standard dimensional re-
800 mL, graduated at 1000 mL
quirements for glass Kjeldahl flasks for nitrogen digestion
analysis.
NOTE 1—The term millilitre (mL) is commonly used as a special name
3
for the cubic centimetre (cm ) and similarly the litre (L) for 1000 cubic
centimetres, in accordance with the International System of Units (SI).
2. Referenced Documents
2
2.1 ASTM Standards:
4. Material and Annealing
E147 Specification forApparatus for Microdetermination of
4.1 Flasks shall be made of borosilicate glass conforming to
Nitrogen by Kjeldahl Method
the requirement of Type I, Class A of Specification E438.
E438 Specification for Glasses in Laboratory Apparatus
E671 Specification for Maximum Permissible Thermal Re-
4.2 Maximum residual thermal stress shall conform to
sidual Stress in Annealed Glass Laboratory Apparatus
Specification E671.
E694 Specification for Laboratory Glass Volumetric Appa-
ratus
5. Appearance
E920 Specification for Commercially Packaged Laboratory
5.1 The general appearance of the flasks shall conform to
Apparatus
Fig. 1.
E921 Specification for Export Packaged Laboratory Appa-
ratus
6. Design
E1133 Practice for Performance Testing of Packaged Labo-
6.1 Necks on all flasks shall be circular in cross section, and
ratory Apparatus for United States Government Procure-
shall be perpendicular to center of flask body.
ments
E1157 Specification for Sampling and Testing of Reusable
6.2 Top finish of flask shall not be belled over 2 in. from the
Laboratory Glassware
top. Top shall be tooled or beaded.
6.3 Interior neck finish of sizes 500 and 800 mL may be
3. Classification
tooled to accept special rubber stopper especially made for
3.1 Ungraduated Flasks, Type I, shall be of the following
Kjeldahl flasks.
capacities:
6.4 Bottom of flask shall be hemispherical in shape, while
100 mL
top has a curved taper to point of junction with the flask neck.
300 mL
(See Fig. 1.)
500 mL
650 mL
6.5 Wall thickness of flasks shall be controlled in accor-
800 mL
dance with Table 1.
3.1.1 Sizes 10 mLand 30 mLand the Soltys style 30 mLare
covered under Specification E147 and are not included herein. 7. Volumetric Accuracy
7.1 Tolerance on volumetric accuracy of Type II flasks shall
be in compliance with Specification E694 (1000 6 1.5 mL).
1
This specification is under the jurisdiction of ASTM Committee E41 on
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
Apparatus.
8. Capacity and Dimensions
Current edition approv
...

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