Astm D 3228 – 03 pdf free download

Standard Test Method for
Total Nitrogen in Lubricating Oils and Fuel Oils by Modified
Kjeldahl Method1

This standard is issued under the fixed designation D 3228; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.

1. Scope*

1.1 This test method covers the determination of nitrogen in
lubricating oils when present in the concentration from 0.03 to
0.10 mass %, and for the determination of nitrogen in fuel oils
when present in the concentration from 0.015 to 2.0 mass %.
This test method is also applicable to the analysis of additive
concentrates and additive packages.
NOTE 1—This test method may not be applicable to certain materials
containing N–O or N–N linkage. However, the samples used in the
cooperative program to establish the precision of the test method were
compounded with currently available ashless additives containing nitrogen. Complete recovery of the nitrogen present in these additives was

1.2 The values stated in SI units are to be regarded as the

1.3 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. For specific
warning statements, see 6.6, 6.9, and 8.8.

2. Referenced Documents

2.1 ASTM Standards: 2
D 1193 Specification for Reagent Water
D 4057 Practice for Manual Sampling of Petroleum and
Petroleum Products
D 6299 Practice for Applying Statistical Quality Assurance
Techniques to Evaluate Analytical Measurement System
E 200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical

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