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ASTM D982-16(2022)

Historical Reaffirmation

Standard Test Method for Organic Nitrogen in Paper and Paperboard

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1.1 This test method covers the determination of nitrogenous organic materials in paper and paperboard, which typically are used to reduce the thermal degradation of the cellulose in the paper and paperboard.

1.2 The nitrogen determination by this method does not include the nitrogen in nitro compounds, nitrates, nitrites, azo, hydrazine, cyanide, or pyridine ring-type compounds, none of which are normally found in paper and paperboard. There is no known modification of the method that is applicable to all nitrogenous compounds.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.


4.1 The purpose of this test method is to determine the amount of organic nitrogen present within a sample of electrical insulation paper or paperboard. Nitrogen content is used to determine if the paper or paperboard has been chemically treated to withstand higher than normal operating temperatures. Such a paper or paperboard is referred to in the industry as “thermally upgraded.” A paper or paperboard that is thermally upgraded can withstand higher operating temperatures and allow the electrical equipment to have a longer useful life span.

SDO ASTM: ASTM International
Document Number D982
Publication Date May 1, 2022
Language en - English
Page Count 3
Revision Level 16(2022)
Supercedes
Committee D09.01
Publish Date Document Id Type View
Nov. 1, 2016 D0982-16 Revision
Oct. 1, 2005 D0982-05 Revision
Jan. 1, 1965 D0982-65 Revision
Not Available D0982-63R71 Revision
May 1, 2022 D0982-16R22 Reaffirmation
Oct. 1, 2009 D0982-05R09 Reaffirmation