ASTM-D7527 2010

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D7527-10 Standard Test Method for Measurement of Antioxidant Content in Lubricating Greases by Linear Sweep Voltammetry

Published By	Publication Date	Number of Pages
ASTM	2010	6

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Category: ASTM

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Description

1.1 This test method covers the voltammetric determination of antioxidants in new or in-service lubricating greases in concentrations from 0.0075 weight percent up to concentrations found in new greases by measuring the amount of current flow at a specified voltage in the produced voltammogram.

1.2 This test method is intended to monitor the antioxidant content in lubricating greases; it cannot be applied for lubricating greases that do not contain antioxidants.

1.3 This test method is designed to allow the user to monitor the antioxidant depletion rate of in-service greases through its life cycle as part of condition monitoring programs. This test method is performed in order to collect and trend early signs of deteriorating lubricant grease, and it may be used as a guide for the direction of any required maintenance activities. This will ensure a safe, reliable, and cost-effective operation of the monitored plant equipment.

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

1.5 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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use
2	FIG. 1 FIG. 2
3	Apparatus Reagents and Materials Sampling Procedure
4	FIG. 3
5	Calculation Report Precision and Bias
6	Keywords X1. BACKGROUND X1.1 X1.2 X1.3

Additional information

Standard Title	D7527-10 Standard Test Method for Measurement of Antioxidant Content in Lubricating Greases by Linear Sweep Voltammetry
Published Code	ASTM
Publication Date	2010
Pages Count	6

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ASTM-D7527 2010

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