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ASTM E 1758 Document Information:
Title
Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid Chromatography
ASTM International
Publication Date:
Nov 10, 2001
Scope:
This test method covers the determination of carbohydrates
present in a biomass sample, expressed as the percent, by mass, of
each sugar on a 105°C dried mass basis.
NOTE 1—The percent sugar must be corrected for the water of
hydrolysis before calculating the actual mass percent of the
polysaccharide in the original biomass sample.
Sample materials suitable for this procedure include 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 or alkaline-pretreated biomass (washed free of any
residual acid or alkali), and the solid fraction of fermentation
residues. All results are reported relative to the 105°C oven-dried
mass of the sample.
The options for the types of samples to be analyzed in this test
method are as follows:
Prepared Biomass Samples:
Air Dried (%Tad)—The percent, by mass, of
total solids of the air-dried sample.
45°C Dried (%T45)—The percent, by mass, of
total solids of the 45°C dried sample.
Freeze Dried (%Tfd)—The percent, by mass, of
total solids of the freeze dried sample.
Extractives-Free Sample (%Text)—The percent,
by mass, of total solids of the extracted sample determined at
105°C.
The values stated in SI units are to be regarded as the
standard.
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. Specific precautionary statements
are given in Note 3 and Note 4.
Keywords:
- agricultural residue
- biomass
- carbohydrates
- fermentation residue
- herbaceous
- wastepaper
- wood
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