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.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification provides standard dimensional requirements for glass Kjeldahl flasks for nitrogen digestion analysis.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

E147 Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method

E438 Specification for Glasses in Laboratory Apparatus

E671 Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus

E694 Specification for Laboratory Glass Volumetric Apparatus

E920 Specification for Commercially Packaged Laboratory Apparatus

E921 Specification for Export Packaged Laboratory Apparatus

E1133 Practice for Performance Testing of Packaged Laboratory Apparatus for United States Government Procurements

E1157 Specification for Sampling and Testing of Reusable Laboratory Glassware

Keywords

flasks; glass; kjeldahl; Flasks (laboratory)--specifications; Glass laboratory apparatus--specifications; Kjeldahl method; Laboratory apparatus--specifications; Nitrogen digestion analysis l;

ICS Code

ICS Number Code 71.040.20 (Laboratory ware and related apparatus)

Citing ASTM Standards

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