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Standard Test Methods for Hydroxypropylcellulose
Automaticky preložený názov:
Štandardné Skúšobné metódy pre Hydroxypropylcelulóza
NORMA vydaná dňa 1.6.2013
Označenie normy: ASTM D5400-03(2013)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2013
Kód tovaru: NS-31030
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
hydroxypropoxy content, hydroxypropylcellulose, moisture, pH, residue on ignition, viscosity, ICS Number Code 85.040 (Pulps)
Significance and Use | ||||||||||||||||||||||
5.1 The results of this test are used for calculating the total solids in the sample; and, by common usage, all materials volatile at this test temperature are designated as moisture. 5.2 Moisture analysis (along with residue on ignition) is a measure of the amount of active polymer in the material and must be considered when determining the amount of hydroxypropylcellulose to use in various formulations. |
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1. Scope | ||||||||||||||||||||||
1.1 These test methods cover the testing of hydroxypropylcellulose. 1.2 The test procedures appear in
the following order:
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.4 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.
Standard Test Method for Methoxyl and
Hydroxypropyl Substitution in Cellulose Ether Products by Gas
Chromatography Standard Test Method for pH of Aqueous
Solutions With the Glass Electrode |
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