ASTM D1795 Standard Test Method for Intrinsic Viscosity of Cellulose
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ASTM International
Standard Test Method for Intrinsic Viscosity of Cellulose
N D1795
Annotation
This test method covers the determination of the intrinsic viscosity of purified celluloses such as bleached wood pulps, cotton linters, and regenerated cellulose. It is applicable to all cellulose samples with an intrinsic viscosity of 15 dl/g or less. Most native (unpurified) celluloses have intrinsic viscosity values too high for measurement by this test method.
NOTE 1—The use of cuprammonium hydroxide solution for regular viscosity determination is described in Method T 206 m-55 of the Technical Association of Pulp and Paper Industry on "Cuprammonium Disperse Viscosity of Pulp," and Joint Army-Navy Specifications JANC- 206.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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.
Автоматический перевод:
Стандартный метод испытаний для внутренней вязкости целлюлозы
Этот метод испытаний покрывает определение внутренней вязкости очищенных целлюлоз, таких как отбеливаемая древесная масса, хлопковые линтеры и регенерированная целлюлоза. Это применимо ко всем образцам целлюлозы с внутренней вязкостью 15 дл/г или меньше. У большей части местного жителя (неочищенные) целлюлозы есть внутренние значения вязкости слишком высоко для размера этим методом испытаний.



