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ASTM E1095-99(2022)

Historical Reaffirmation

Standard Specification for Common Laboratory Glass Funnels

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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.


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.


SDO ASTM: ASTM International
Document Number E1095
Publication Date Jan. 1, 2022
Language en - English
Page Count 2
Revision Level 99(2022)
Supercedes
Committee E41.01
Publish Date Document Id Type View
Dec. 10, 1999 E1095-99 Revision
Jan. 1, 2022 E1095-99R22 Reaffirmation
Sept. 1, 2016 E1095-99R16 Reaffirmation
Sept. 1, 2010 E1095-99R10 Reaffirmation
May 1, 2005 E1095-99R05 Reaffirmation