ASTM D7527 - 10(2018) - Standard Test Method for Measurement of Antioxidant Content in Lubricating Greases by Linear Sweep Voltammetry

ASTM D7527 - 10(2018)

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

Status : Current   Published : April 2018

Format
PDF

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HARDCOPY



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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D7527 - 10(2018)
TitleStandard Test Method for Measurement of Antioxidant Content in Lubricating Greases by Linear Sweep Voltammetry
StatusCurrent
Publication Date01 April 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors 2, 6-dibutyl-4methylphenol, 2, 6-dibutylphenol, alkylated diphenylamine, aromatic amine antioxidant, grease, hindered phenol antioxidant, linear sweep voltammetry, phenyl alpha naphthylamine, 6-di-tert-butyl-4methylphenol, 6-di-tert-butylphenol
ICS75.100
PublisherASTM
FormatA4
DeliveryYes
Pages7
File Size292 KB
Price£40.00


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