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ASTM E1095-99(2022)

(Specification)

Standard Specification for Common Laboratory Glass Funnels

Standard Specification for Common Laboratory Glass Funnels

ABSTRACT
This specification covers common laboratory or filter funnels, and filling or powder funnels for general laboratory use. The laboratory glass funnels shall be classified into four types which are divided into classes. Type 1 is common laboratory funnel with smooth inner surface which is divided into three classes: Class A with short stem, Class B with long stem, and Class C without stem. Type 2 is laboratory funnel with fluted inner wall. The flutes are small grooves or depressions running upward from the bottom zone of the bowl. This type is divided into Class A and Class B. Type 3 is laboratory funnel with ribbed inner wall. The ribs are small raised protuberances from funnel rim toward the stem. Class A and Class B funnels belong to this type. Type 4 is the last type which is filling or powder funnels. This type has short, wide diameter stem.
SCOPE
1.1 This specification covers common laboratory or filter funnels, and filling or powder funnels for general laboratory use.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-Dec-2021
ICS
71.040.20 - Laboratory ware and related apparatus
Technical Committee
E41 - Laboratory Apparatus
Drafting Committee
E41.01 - Laboratory Ware and Supplies
Current Stage
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Relations

Refers
ASTM E438-92(2024) - Standard Specification for Glasses in Laboratory Apparatus
Effective Date
01-Feb-2024
Refers
ASTM E920-97(2019) - Standard Specification for Commercially Packaged Laboratory Apparatus
Effective Date
01-Jul-2019
Refers
ASTM E438-92(2018) - Standard Specification for Glasses in Laboratory Apparatus
Effective Date
01-Jan-2018
Refers
ASTM E920-97(2013) - Standard Specification for Commercially Packaged Laboratory Apparatus
Effective Date
01-Nov-2013
Refers
ASTM E438-92(2011) - Standard Specification for Glasses in Laboratory Apparatus
Effective Date
01-Dec-2011
Refers
ASTM E1157-87(2018)e1 - Standard Specification for Sampling and Testing of Reusable Laboratory Glassware
Effective Date
01-Dec-2011
Refers
ASTM E1157-87(2011) - Standard Specification for Sampling and Testing of Reusable Laboratory Glassware
Effective Date
01-Dec-2011
Refers
ASTM E1133-86(2010) - Standard Practice for Performance Testing of Packaged Laboratory Apparatus for United States Government Procurements
Effective Date
01-Sep-2010
Refers
ASTM E921-97(2010) - Standard Specification for Export Packaged Laboratory Apparatus
Effective Date
15-May-2010
Refers
ASTM E671-98(2010) - Standard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus
Effective Date
01-Apr-2010
Refers
ASTM E920-97(2008) - Standard Specification for Commercially Packaged Laboratory Apparatus
Effective Date
01-Nov-2008
Refers
ASTM E438-92(2006) - Standard Specification for Glasses in Laboratory Apparatus
Effective Date
01-Nov-2006
Refers
ASTM E1157-87(2006) - Standard Specification for Sampling and Testing of Reusable Laboratory Glassware
Effective Date
01-Nov-2006
Refers
ASTM E1133-86(2005) - Standard Practice for Performance Testing of Packaged Laboratory Apparatus for United States Government Procurements
Effective Date
01-Oct-2005
Refers
ASTM E671-98(2004) - Standard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus
Effective Date
01-May-2004

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ASTM E1095-99(2022) - Standard Specification for Common Laboratory Glass FunnelsASTM E1095-99(2022) - Standard Specification for Common Laboratory Glass Funnels
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ASTM E1095-99(2022) - Standard Specification for Common Laboratory Glass Funnels
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:E1095 −99 (Reapproved 2022)
Standard Specification for
Common Laboratory Glass Funnels
This standard is issued under the fixed designation E1095; 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 3.1.1.1 Class A, (short stem)—Sizes 25, 35, 45, 55, 65, 75,
90, 100, 125, and 150-mm diameters.
1.1 This specification covers common laboratory or filter
3.1.1.2 Class B, (long stem)—Sizes 35, 45, 50, 55, 65, 75,
funnels, and filling or powder funnels for general laboratory
90, 100, 125, 150, 200, 250, and 300-mm diameters.
use.
3.1.1.3 Class C, (without stem)—Sizes 50, 75, and 100-mm
1.2 The values stated in SI units are to be regarded as
diameters.
standard. No other units of measurement are included in this
3.1.2 Type 2—Laboratory funnel with fluted inner wall. The
standard.
flutes are small grooves or depressions running upward from
1.3 This international standard was developed in accor-
the bottom zone of the bowl.
dance with internationally recognized principles on standard- 3.1.2.1 ClassA,(shortstem)—Sizes50,65,75,and100-mm
ization established in the Decision on Principles for the
diameters.
Development of International Standards, Guides and Recom- 3.1.2.2 Class B, (long stem)—Sizes 50, 65, 75, and 100-mm
mendations issued by the World Trade Organization Technical
diameters.
Barriers to Trade (TBT) Committee. 3.1.3 Type3—Laboratory funnel with ribbed inner wall.The
ribs are small raised protuberances running from funnel rim
2. Referenced Documents
toward the stem.
2.1 ASTM Standards:
3.1.3.1 ClassA,(shortstem)—Sizes50,65,75,and100-mm
E438 Specification for Glasses in Laboratory Apparatus diameters.
E671 Specification for Maximum Permissible Thermal Re-
3.1.3.2 Class B, (long stem)—Sizes 50, 65, 75, and 100-mm
sidual Stress in Annealed Glass Laboratory Apparatus diameters.
E920 Specification for Commercially Packaged Laboratory
3.1.4 Type 4—Filling or powder funnels.
Apparatus 3.1.4.1 Short, Wide Diameter Stem—Sizes 60, 65, 75, 80,
E921 Specification for Export Packaged Laboratory Appa- 100, 125, and 150-mm diameters.
ratus
4. Material and Annealing
E1133 Practice for Performance Testing of Packaged Labo-
ratory Apparatus for United States Government Procure- 4.1 Material—Funnels shall be made of glass conforming to
ments the requirement of Type 1, Class A or B or Type 2 of
E1157 Specification for Sampling and Testing of Reusable Specification E438.
Laboratory Glassware
4.2 Annealing—Maximum residual stress shall be such as to
conform to Specification E671.
3. Classification
3.1 There shall be four types of laboratory glass funnels 5. Design
further divided into classes.
5.1 Bowl—The inner wall of the bowl shall diverge from the
3.1.1 Type1—Commonlaboratoryfunnelwithsmoothinner
stem at an angle of 30 6 1.2°. The bowl shall be securely
surface, divided into the following three classes:
sealed to the stem. The axis of the funnel bowl shall coincide
with the stem axis and the rim shall be perpendicular to this
This specification is under the jurisdiction of ASTM Committee E41 on
axis. The edge of the rim shall be mold finish, beaded or
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
ground to a horizontal surface, as specified.
Laboratory Ware and Supplies.
5.1.1 Type 1—Bowl of common funnels shall be plain.
Current edition approved Jan. 1, 2022. Published February 2022. Originally
5.1.2 Type 1, Class C—Bottom of bowl shall be ground flat.
approved in 1986. Last previous edition approved in 2016 as E1095 – 99(2016).
DOI: 10.1520/E1095-99R22.
5.1.3 Type 2—Bowl of fluted funnels shall have an inner
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
wall with 8 equally spaced small grooves or depressions that
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
shall extend upward from the inner bottom zone of the bowl ⁄2
Standards
...

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