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ASTM D 7151 : 2015 : REDLINE

Current
Current

The latest, up-to-date edition.

Standard Test Method for Determination of Elements in Insulating Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)
Available format(s)

PDF

Language(s)

English

Published date

06-18-2015

CONTAINED IN VOL. 10.03, 2015 Determines the metals and contaminants in insulating oils by inductively coupled plasma atomic emission spectrometry (ICP-AES).

1.1This test method describes the determination of metals and contaminants in insulating oils by inductively coupled plasma atomic emission spectrometry (ICP-AES). The specific elements are listed in Table 1. This test method is similar to Test Method D5185, but differs in methodology, which results in the greater sensitivity required for insulating oil applications.

(A)These wavelengths are only suggested and do not represent all possible choices.

1.2This test method uses oil-soluble metals for calibration and does not purport to quantitatively determine insoluble particulates. Analytical results are particle size dependent, and low results are obtained for particles larger than several micrometers.2

1.3This test method determines the dissolved metals (which can originate from overheating or arcing, or both) and a portion of the particulate metals (which generally originate from a wear mechanism). While this ICP method detects nearly all particles less than several micrometers, the response of larger particles decreases with increasing particle size because larger particles are less likely to make it through the nebulizer and into the sample excitation zone.

1.4This test method includes an option for filtering the oil sample for those users who wish to separately determine dissolved metals and particulate metals (and hence, total metals).

1.5Elements present at concentrations above the upper limit of the calibration curves can be determined with additional, appropriate dilutions and with no degradation of precision.

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

1.7This 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 to determine the applicability of regulatory limitations prior to use.

Committee
D 27
DocumentType
Redline
Pages
8
PublisherName
American Society for Testing and Materials
Status
Current

CLC/TR 50503 : 2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS

ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ASTM D 923 : 2015 : REDLINE Standard Practices for Sampling Electrical Insulating Liquids
ASTM D 4307 : 2017 : REDLINE Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards
ASTM D 1744 : 2013 Standard Test Method for Determination of Water in Liquid Petroleum Products by Karl Fischer Reagent (Withdrawn 2016)

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