ASTM D 4628 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Analysis of Barium, Calcium, Magnesium, and Zinc In Unused Lubricating Oils By Atomic Absorption Spectrometry
Hardcopy , PDF
11-11-2014
English
01-11-2005
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
D 02
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| DocumentType |
Test Method
|
| Pages |
7
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| ProductNote |
Reconfirmed 2005
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1 This test method is applicable for the determination of mass percent barium from 0.005 to 1.0 %, calcium and magnesium from 0.002 to 0.3 %, and zinc from 0.002 to 0.2 % in lubricating oils.
1.2 Higher concentrations can be determined by appropriate dilution. Lower concentrations of metals such as barium, calcium, magnesium, and zinc at about 10 ppm level can also be determined by this test method. Use of this test method for the determination at these lower concentrations should be by agreement between the buyer and the seller.
1.3 Lubricating oils that contain viscosity index improvers may give low results when calibrations are performed using standards that do not contain viscosity index improvers.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
| ASTM D 4951 : 2014 | Standard Test Method for Determination of Additive Elements in Lubricating Oils by Inductively Coupled Plasma Atomic Emission Spectrometry |
| ASTM D 7876 : 2013 : R2018 | Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants |
| ASTM D 7455 : 2019 | Standard Practice for Sample Preparation of Petroleum and Lubricant Products for Elemental Analysis |
| ASTM D 6074 : 2015 | Standard Guide for Characterizing Hydrocarbon Lubricant Base Oils |
| ASTM D 7578 : 2018 | Standard Guide for Calibration Requirements for Elemental Analysis of Petroleum Products and Lubricants |
| ASTM D 7740 : 2011 : R2016 | Standard Practice for Optimization, Calibration, and Validation of Atomic Absorption Spectrometry for Metal Analysis of Petroleum Products and Lubricants |
| ASTM D 6443 : 2014 : R2019 : EDT 1 | Standard Test Method for Determination of Calcium, Chlorine, Copper, Magnesium, Phosphorus, Sulfur, and Zinc in Unused Lubricating Oils and Additives by Wavelength Dispersive X-ray Fluorescence Spectrometry (Mathematical Correction Procedure) |
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