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ASTM D1439-15
Standard Test Methods for Sodium Carboxymethylcellulose
9 стр.
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Разработчик:
Зарубежные/ASTM
ICS:
85.040 Pulps / Целлюлоза
Сборник (ASTM):
06.03 Paint –– Pigments, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles / Красители – Пигменты, Быстровысыхающие масла, Полимеры, Смолы, Канифольно-скипидарные продукты, Целлюлозный полимер, Связующее вещества для красок
Тематика:
Paints & Related Coatings
Описание
Значение и использование

5.1 Moisture analysis (along with purity) is used to calculate the amount of active polymer in the material and must be considered when determining the amount of sodium carboxymethylcellulose to use in various formulations.

Область применения

1.1 These test methods cover the testing of sodium carboxymethylcellulose.

1.2 The test procedures appear in the following order:

 

Sections

Moisture

4 – 9

Degree of Etherification:

 

 Test Method A—Acid Wash

10 – 17

 Test Method B—Nonaqueous Titration

10, 12, 18 – 23

Viscosity

24 – 29

Purity

30 – 37

Sodium Glycolate

38 – 46

Sodium Chloride

47 – 54

Density

55 – 61

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. For specific hazard statements, see 15.1 and 20.

Ключевые слова:
degree of etherification; density; moisture; purity; rotational viscometer; sodium carboxymethylcellulose; sodium chloride; sodium glycolate; viscosity;