ASTM-D6845 2002

$35.75

D6845-02 Standard Test Method for Silica, Precipitated, Hydrated—CTAB (Cetyltrimethylammonium Bromide) Surface Area

Published By	Publication Date	Number of Pages
ASTM	2002	3

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Categories: 71.100.55 - Silicones, ASTM

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Description

ASTM D6845-02

Historical Standard: Standard Test Method for Silica, Precipitated, Hydrated—CTAB (Cetyltrimethylammonium Bromide) Surface Area

ASTM D6845

Scope

1.1 This test method covers the measurement of the specific surface area of precipitated silicas exclusive of area contained in micropores too small to admit hexadecyltrimethylammonium bromide (cetyltrimethylammonium bromide, commonly referred to as CTAB) molecules. This test method is suitable for characterizing rubber-grade silicas of all types.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Keywords

cetyltrimethylammonium bromide; CTAB; silica; surface area by CTAB method; turbidity titration

ICS Code

ICS Number Code 71.100.55 (Silicones)

DOI: 10.1520/D6845-02

Additional information

Standard Title	D6845-02 Standard Test Method for Silica, Precipitated, Hydrated—CTAB (Cetyltrimethylammonium Bromide) Surface Area
Published Code	ASTM
Publication Date	2002
Pages Count	3
ICS Codes	71.100.55 - Silicones