MIL-DTL-98B
2.2 Government documents.
2.2.1 Specifications, standards and handbooks. The following specifications, standards
and handbooks form a part of this document to the extent specified herein. Unless otherwise
specified, the issues of these documents are those listed in the solicitation or contract.
DEPARTMENT OF DEFENSE STANDARDS
MIL-STD-1916 - DOD Preferred Methods for Acceptance of Product
(Copies of these documents are available online at https://assist.dla.mil from the Standardization
Documents Order Desk, 700 Robbins Avenue, Bldg. 4D, Philadelphia, PA 19111-5094.)
2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of
a conflict between the text of this document and the references cited herein, the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and
regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Conformance. A sample shall be subjected to conformance inspection in accordance
with 4.1.2.
3.2 Properties of diphenylamine. The properties of diphenylamine shall be in accordance
with the following:
a. Setting point shall have degree centigrade not less than 51.70C and not greater than
53.00 C.
b. Purity (alternate for setting point) shall have percent minimum of 99.5%.
c. Insoluble material (residue) shall have percent maximum of 0.02%.
d. Moisture shall have percent maximum of 0.2%.
e. Acidity (as hydrochloric acid) shall have percent maximum of 0.005%
f. Alkalinity (as sodium hydroxide) shall have percent maximum of 0.005%.
g. Oxidizable material (as aniline) shall have percent maximum of 0.1%.
3.3 Workmanship. The diphenylamine shall be free of extraneous material, such as iron
rust, wood particles, dirt, colored salts and other visible impurities. The color of diphenylamine
shall be no darker than a light brown.
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