ASTM-D7670 2021

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D7670-10(2021) Standard Practice for Processing In-service Fluid Samples for Particulate Contamination Analysis Using Membrane Filters

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 23.100.60 - Filters, seals and contamination of fluids, ASTM

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Description

ASTM D7670-10-Reapproved2021

Active Standard: Standard Practice for Processing In-service Fluid Samples for Particulate Contamination Analysis Using Membrane Filters

ASTM D7670

Scope

1.1 This practice covers the processing of in-service fluids in preparation for particulate contamination analysis using membrane filters and is limited only by the liquid-to-membrane filter compatibility.

1.2 The practice covers the procedure for filtering a measured volume of liquid through a membrane filter. When this practice is used, the particulate matter will be randomly distributed on the filter surface for subsequent contamination analysis methods.

1.3 The practice describes procedures to allow handling particles in the size range between 2 µm and 1000 μm with minimum losses during handling.

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 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.

Keywords

filter patch test; filtration; liquid sample handling; membrane filters; particulate contamination; patch test; vacuum filtration;

ICS Code

ICS Number Code 23.100.60 (Filters, seals and contamination of fluids)

DOI: 10.1520/D7670-10R21

Additional information

Standard Title	D7670-10(2021) Standard Practice for Processing In-service Fluid Samples for Particulate Contamination Analysis Using Membrane Filters
Published Code	ASTM
Publication Date	2021
ICS Codes	23.100.60 - Filters, seals and contamination of fluids