ASTM-D2024 2003

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D2024-65(2003) Standard Test Method for Cloud Point of Nonionic Surfactants

Published By	Publication Date	Number of Pages
ASTM	2003	2

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Categories: 71.100.40 - Surface active agents, ASTM

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Description

ASTM D2024-65-Reapproved2003

Historical Standard: Standard Test Method for Cloud Point of Nonionic Surfactants

ASTM D2024

Scope

1.1 This test method covers the determination of the solubility inversion temperature or “cloud point” of nonionic surfactants or detergent systems which are characteristically less soluble in water at higher temperatures than at lower temperatures. It is limited to those surfactants and detergent systems for which the visible solubility change occurs over a range of 1°C or less at concentrations of 0.5 to 1.0 % in water between 30 and 95°C.

1.2 Chemical LimitationsNonionic surfactants that exhibit a characteristic cloud point in general terms consist of a water-in-soluble moiety condensed with 50 to 75 % by weight of ethylene oxide.

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

cloud point; detergent materials/systems-surfactants; solubility; temperature tests

ICS Code

ICS Number Code 71.100.40 (Surface active agents)

DOI: 10.1520/D2024-65R03

Additional information

Standard Title	D2024-65(2003) Standard Test Method for Cloud Point of Nonionic Surfactants
Published Code	ASTM
Publication Date	2003
Pages Count	2
ICS Codes	71.100.40 - Surface active agents