ASTM International - ASTM D6342-98(2003)

Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy

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Organization: ASTM International
Publication Date: 1 November 2003
Status: historical
Page Count: 8
ICS Code (Thermosetting materials): 83.080.10
significance And Use:

General Utility:

5.1.1 It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems.

5.1.2 This practice is suitable for research, quality... View More

scope:

1.1 This standard covers a practice for the determination of hydroxyl numbers of polyols using NIR spectroscopy.

1.2 Definitions, terms, and calibration techniques are described. Procedures for selecting samples, and collecting and treating data for developing NIR calibrations are outlined. Criteria for building, evaluating, and validating the NIR calibration model are also described. Finally, the procedure for sample handling, data gathering and evaluation are described.

1.3 The implemenation of this standard requires that the NIR spectrometer has been installed in compliance with the manufacturer's specifications.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Note 1-There is no equivalent or similar ISO standard.

Document History

August 1, 2017
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
5.1 General Utility:  5.1.1 It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems. 5.1.2 This practice is suitable for research, quality control,...
August 1, 2012
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
5.1 General Utility: 5.1.1 It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems. 5.1.2 This practice is suitable for research, quality control,...
March 1, 2008
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
General Utility: It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems. This practice is suitable for research, quality control, specification testing,...
ASTM D6342-98(2003)
November 1, 2003
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
General Utility: 5.1.1 It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems. 5.1.2 This practice is suitable for research, quality control,...
November 10, 1998
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
1.1 This standard covers a practice for the determination of hydroxyl numbers of polyols using NIR spectroscopy. 1.2 Definitions, terms, and calibration techniques are described. Procedures for...
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