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ASTM E 1721 : 2001 : R2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Determination of Acid-Insoluble Residue in Biomass
Available format(s)

Hardcopy , PDF

Superseded date

21-08-2020

Language(s)

English

Published date

01-07-2015

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.06, 2015 Defines determination of the acid-insoluble residue of hard and soft woods, herbaceous materials (such as switchgrass and sericea), agricultural residues (such as corn stover, wheat straw, and bagasse), wastepaper (such as office waste, boxboard, and newsprint), acid and alkaline pretreated biomass, and the solid fraction of fermentation residues.

1.1This test method covers determination of the acid-insoluble residue of hard and soft woods, herbaceous materials (such as switchgrass and sericea), agricultural residues (such as corn stover, wheat straw, and bagasse), wastepaper (such as office waste, boxboard, and newsprint), acid and alkaline pretreated biomass, and the solid fraction of fermentation residues. All results are reported relative to the 105°C oven-dried weight of the sample.

1.2The residue collected contains the acid-insoluble lignin and any condensed proteins from the original sample. An independent nitrogen analysis would be required to determine the acid-insoluble lignin content separate from the condensed protein fraction and is outside the scope of this test method.

1.3A portion of the lignin in some biomass samples will remain soluble during this procedure. The total lignin in a biomass sample includes both acid-soluble lignin and lignin in the acid insoluble residue.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This 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. Specific hazards statements are given in Section 8 and Note 2 and Note 4.

Committee
E 48
DocumentType
Test Method
Pages
3
ProductNote
Reconfirmed 2015
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 1821 : 2008 : R2015 Standard Test Method for Determination of Carbohydrates in Biomass by Gas Chromatography
ASTM E 1758 : 2001 : R2015 Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography

ASTM E 1757 : 2001 : R2015 Standard Practice for Preparation of Biomass for Compositional Analysis
ASTM E 1690 : 2008 : R2016 Standard Test Method for Determination of Ethanol Extractives in Biomass
ASTM E 1756 :2008 Standard Test Method for Determination of Total Solids in Biomass
ASTM E 1690 : 2001 Standard Test Method for Determination of Ethanol Extractives in Biomass
ASTM E 1757 : 2001 : R2007 Standard Practice for Preparation of Biomass for Compositional Analysis
ASTM E 1756 : 2008 : R2015 Standard Test Method for Determination of Total Solids in Biomass
ASTM E 1757 : 2019 Standard Practice for Preparation of Biomass for Compositional Analysis
ASTM E 1690 : 2008 Standard Test Method for Determination of Ethanol Extractives in Biomass
ASTM E 1756 : 1995 Standard Test Method for Determination of Total Solids in Biomass
ASTM E 1690 : 1995 Standard Test Method for Determination of Ethanol Extractives in Biomass
ASTM E 1757 : 1995 Standard Practice for Preparation of Biomass for Compositional Analysis
ASTM E 1756 : 2001 Standard Test Method for Determination of Total Solids in Biomass
ASTM E 1757 : 2001 Standard Practice for Preparation of Biomass for Compositional Analysis

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