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Description of ASTM-E1758 2001ASTM E1758-01Historical Standard: Standard Test Method for Determination of Carbohydrates in Biomass by High Performance Liquid ChromatographyASTM E1758Scope 1.1 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. 1.2 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. 1.3 The options for the types of samples to be analyzed in this test method are as follows: 1.3.1 Prepared Biomass Samples: 1.3.1.1 Air Dried (%Tad)—The percent, by mass, of total solids of the air-dried sample. 1.3.1.2 45°C Dried (%T45—The percent, by mass, of total solids of the 45°C dried sample. 1.3.1.3 Freeze Dried (%Tfd )—The percent, by mass, of total solids of the freeze dried sample. 1.3.2 Extractives-Free Sample (%Text)—The percent, by mass, of total solids of the extracted sample determined at 105°C. 1.4 The values stated in SI units are to be regarded as the standard. 1.5 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 ICS Code ICS Number Code 65.040.20 (Buildings and installations for processing and storage of agricultural produce) DOI: 10.1520/E1758-01 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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