ASTM-D1387:2012 Edition

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D1387-89(2012) Standard Test Method for Saponification Number (Empirical) of Synthetic and Natural Waxes

Published By	Publication Date	Number of Pages
ASTM	2012	2

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Description

ASTM D1387-89-Reapproved2012

Historical Standard: Standard Test Method for Saponification Number (Empirical) of Synthetic and Natural Waxes

ASTM D1387

Scope

1.1 This test method covers the determination of the saponification number of synthetic waxes and natural waxes.

1.2 This test method is applicable to Fischer Tropsche, microcrystalline, polyethylene, and Montan Ester waxes.

1.3 Certain synthetic waxes, notably copolymers of ethylene, exhibit poor reproducibility when running saponification values. Reproducibility can be improved if cooking time in 7.2 is extended from 3 h to 18–20 h.

1.4 Some oxidized polyethylene and other waxes with a melt temperature above 100°C may give poor reproducibility.

1.5 Some dark-colored (Gardner Color 14) waxes may obscure the color change of the indicator, resulting in poor reproducibility.

1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.7 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

natural wax; polish; polyethylene wax; saponification number; synthetic wax; titration; wax

ICS Code

ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)

DOI: 10.1520/D1387-89R12

Additional information

Standard Title	D1387-89(2012) Standard Test Method for Saponification Number (Empirical) of Synthetic and Natural Waxes
Published Code	ASTM
Publication Date	2012
Pages Count	2