ASTM E1378-99(2022)
(Specification)Standard Specification for Laboratory Glass Multiple Neck Distilling/Boiling Flasks
Standard Specification for Laboratory Glass Multiple Neck Distilling/Boiling Flasks
ABSTRACT
This specification provides the standard appearance, capacity, design, and dimensional requirements for eight types of multiple neck distilling/boiling glass flasks for laboratory use. Flasks, which shall be made of borosilicate glass conforming to specified maximum residual thermal stresses, are available in the following types: Type I, standard taper necks of equal height; Type II, three tooled necks of unequal height; Type III, three standard taper necks of unequal height; Type IV, three standard taper necks of equal height; Type V, three tooled necks that are angled; Type VI, three standard taper necks that are angled; Type VII, two standard taper necks of unequal height; and Type VIII, two standard taper necks that are angled.
SCOPE
1.1 This specification provides standard dimensional requirements for multiple neck distilling/boiling flasks.
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-Aug-2022
- Technical Committee
- E41 - Laboratory Apparatus
- Drafting Committee
- E41.01 - Laboratory Ware and Supplies
Relations
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Jul-2019
- Effective Date
- 01-Jan-2019
- Effective Date
- 01-Jan-2018
- Effective Date
- 01-Nov-2013
- Effective Date
- 01-Nov-2012
- Effective Date
- 01-Dec-2011
- Effective Date
- 01-Dec-2011
- Effective Date
- 01-Dec-2011
- Effective Date
- 01-Sep-2010
- Effective Date
- 15-May-2010
- Effective Date
- 01-Apr-2010
- Effective Date
- 01-Nov-2008
- Effective Date
- 01-Nov-2007
- Effective Date
- 01-Nov-2006
Overview
ASTM E1378-99(2022) - Standard Specification for Laboratory Glass Multiple Neck Distilling/Boiling Flasks defines the essential requirements for glass flasks used in laboratory distilling and boiling applications. This standard, developed by ASTM International, specifies appearance, capacity, design, and dimensional requirements for eight types of multiple neck distilling/boiling flasks made from borosilicate glass. Compliance with this specification ensures uniformity, quality, and compatibility in laboratory apparatus, supporting safe and effective scientific operations.
The flasks outlined in ASTM E1378-99(2022) are designed for chemical and research laboratories, tailored to processes demanding precise handling and manipulation of substances under controlled conditions.
Key Topics
- Scope and Applicability: Establishes dimensional and material standards for laboratory glass flasks with multiple necks, available in various configurations and capacities-all in SI units.
- Flask Types: Eight distinct types are covered, differentiated by neck number, position (angled, standard, tooled), and neck height (equal or unequal).
- Materials: Mandates borosilicate glass for enhanced chemical resistance and durability, conforming to ASTM E438.
- Thermal Stress Resistance: Residual thermal stress must comply with ASTM E671, ensuring flask integrity during heating and cooling cycles.
- Design and Appearance: Spherical-bodied flasks with standardized neck finishes-beaded, tooled, or standard taper-meeting the requirements of ASTM E676.
- Capacity and Dimensions: Nominal capacities ranging from 25 mL to 12,000 mL; minimum wall thickness requirements are specified for each flask size.
- Markings: Each flask must bear a permanent mark for manufacturer identification, nominal capacity, and, where applicable, the joint size, facilitating traceability and correct use.
- Packaging and Sampling: Refers to additional ASTM standards (E920, E921, E1133, E1157) to ensure consistent packaging quality and sampling practices.
Applications
Laboratory glass multiple neck distilling/boiling flasks specified by ASTM E1378-99(2022) are essential in:
- Distillation and Boiling Procedures: Ideal for chemical separation, purification, and synthesis processes requiring simultaneous access through multiple necks for adding reagents, inserting measuring devices, or connecting condensers.
- Chemical Research and Analysis: Multi-neck configurations allow complex experimental setups such as titration, refluxing, and controlled atmosphere reactions.
- Industrial Laboratories: Used in pharmaceutical, environmental, and materials science labs where adherence to global standards for laboratory glassware promotes reproducibility and safety.
- Educational Laboratories: Facilitates hands-on learning experiences in advanced chemistry classes by providing reliable and standardized apparatus.
Related Standards
ASTM E1378-99(2022) references several foundational ASTM standards crucial for laboratory glassware:
- ASTM E438: Standard Specification for Glasses in Laboratory Apparatus (material requirements)
- ASTM E671: Standard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus
- ASTM E676: Standard Specification for Interchangeable Taper-Ground Joints (neck finish requirements)
- ASTM E920 / E921: Specifications for Commercially and Export Packaged Laboratory Apparatus
- ASTM E1133: Practice for Performance Testing of Packaged Laboratory Apparatus
- ASTM E1157: Specification for Sampling and Testing of Reusable Laboratory Glassware
These related standards ensure comprehensive quality management for laboratory glassware, covering material compatibility, performance, marking, and packaging.
Keywords: ASTM E1378, laboratory glassware, distilling flask, boiling flask, multiple neck, borosilicate glass, chemical laboratory, standard specification, laboratory apparatus, flask dimensions, thermal stress
For detailed purchasing information or to review the complete standard, visit ASTM International's official website.
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Frequently Asked Questions
ASTM E1378-99(2022) is a technical specification published by ASTM International. Its full title is "Standard Specification for Laboratory Glass Multiple Neck Distilling/Boiling Flasks". This standard covers: ABSTRACT This specification provides the standard appearance, capacity, design, and dimensional requirements for eight types of multiple neck distilling/boiling glass flasks for laboratory use. Flasks, which shall be made of borosilicate glass conforming to specified maximum residual thermal stresses, are available in the following types: Type I, standard taper necks of equal height; Type II, three tooled necks of unequal height; Type III, three standard taper necks of unequal height; Type IV, three standard taper necks of equal height; Type V, three tooled necks that are angled; Type VI, three standard taper necks that are angled; Type VII, two standard taper necks of unequal height; and Type VIII, two standard taper necks that are angled. SCOPE 1.1 This specification provides standard dimensional requirements for multiple neck distilling/boiling flasks. 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.
ABSTRACT This specification provides the standard appearance, capacity, design, and dimensional requirements for eight types of multiple neck distilling/boiling glass flasks for laboratory use. Flasks, which shall be made of borosilicate glass conforming to specified maximum residual thermal stresses, are available in the following types: Type I, standard taper necks of equal height; Type II, three tooled necks of unequal height; Type III, three standard taper necks of unequal height; Type IV, three standard taper necks of equal height; Type V, three tooled necks that are angled; Type VI, three standard taper necks that are angled; Type VII, two standard taper necks of unequal height; and Type VIII, two standard taper necks that are angled. SCOPE 1.1 This specification provides standard dimensional requirements for multiple neck distilling/boiling flasks. 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.
ASTM E1378-99(2022) is classified under the following ICS (International Classification for Standards) categories: 71.040.20 - Laboratory ware and related apparatus. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM E1378-99(2022) has the following relationships with other standards: It is inter standard links to ASTM E438-92(2024), ASTM E920-97(2019), ASTM E676-02(2019), ASTM E438-92(2018), ASTM E920-97(2013), ASTM E676-02(2012), ASTM E438-92(2011), ASTM E1157-87(2018)e1, ASTM E1157-87(2011), ASTM E1133-86(2010), ASTM E921-97(2010), ASTM E671-98(2010), ASTM E920-97(2008), ASTM E676-02(2007), ASTM E1157-87(2006). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM E1378-99(2022) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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: E1378 −99 (Reapproved 2022)
Standard Specification for
Laboratory Glass Multiple Neck Distilling/Boiling Flasks
This standard is issued under the fixed designation E1378; 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
500 mL
1 000 mL
1.1 This specification provides standard dimensional re-
2 000 mL
3 000 mL
quirements for multiple neck distilling/boiling flasks.
5 000 mL
1.2 The values stated in SI units are to be regarded as
3.1.2 Type II—Three tooled necks, unequal height:
standard. No other units of measurement are included in this
250 mL
standard.
500 mL
1 000 mL
1.3 This international standard was developed in accor-
2 000 mL
dance with internationally recognized principles on standard-
3 000 mL
ization established in the Decision on Principles for the
5 000 mL
Development of International Standards, Guides and Recom-
¯
3.1.3 Type III—Three standard taper ($) necks, unequal
mendations issued by the World Trade Organization Technical
height:
Barriers to Trade (TBT) Committee.
250 mL
300 mL
2. Referenced Documents
500 mL
2 1 000 mL
2.1 ASTM Standards:
2 000 mL
E438 Specification for Glasses in Laboratory Apparatus
3 000 mL
5 000 mL
E671 Specification for Maximum Permissible Thermal Re-
12 000 mL
sidual Stress in Annealed Glass Laboratory Apparatus
¯
3.1.4 TypeIV—Three standard taper ($) necks, equal height:
E676 Specification for Interchangeable Taper-Ground Joints
E920 Specification for Commercially Packaged Laboratory 250 mL
500 mL
Apparatus
1 000 mL
E921 Specification for Export Packaged Laboratory Appa-
2 000 mL
3 000 mL
ratus
5 000 mL
E1133 Practice for Performance Testing of Packaged Labo-
3.1.5 Type V—Three tooled necks, angled:
ratory Apparatus for United States Government Procure-
ments 200 mL
500 mL
E1157 Specification for Sampling and Testing of Reusable
1 000 mL
Laboratory Glassware
¯
3.1.6 Type VI—Three standard taper ($) necks, angled:
3. Classification
25 mL
50 mL
3.1 Flasks shall be of the following types and sizes.
100 mL
¯
200 mL
3.1.1 Type I—Standard taper ($) necks, equal height:
250 mL
300 mL
500 mL
This specification is under the jurisdiction of ASTM Committee E41 on
1 000 mL
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
¯
Laboratory Ware and Supplies. 3.1.7 Type VII—Two standard taper ($) necks, unequal
Current edition approved Sept. 1, 2022. Published September 2022. Originally
height:
approved in 1990. Last previous edition approved in 2016 as E1378 – 99(2016).
500 mL
DOI: 10.1520/E1378-99R22.
2 1 000 mL
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
2 000 mL
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5 000 mL
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E1378 − 99 (2022)
TABLE 1 Capacity and Dimensions for Multiple Neck Flasks
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