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| MIL-L-14758 (MU)
2.2 Other publications. -The following document forms a
part of this specification to the extent specified herein.
Unless otherwise indicated, the issue in effect on date of
invitation for bids shall apply.
CODE OF FEDERAL REGULATIONS
49 CFR 71-90 - Interstate Commerce Commission Rules
And Regulations for the Transportation
of Explosives and Other Dangerous Articles
(The Interstate Commerce Commission Regulations are now a part
of the Code of Federal Regulations (1949 Edition and Revisions)
available from the Superintendent of Documents, Government
Printing Office, Washington 25, D.C. Orders for the above
publications should cite "49 CFR 71-90 (Latest Revision).")
3.
REQUIREMENTS
3.1 Crystal growth control agent.-Lead Azide shall be
precipitated from a solution of sodium carboxymethyl cellulose
(NaCMC) which shall be used as the crystal growth control agent.
The NaCMC shall be in accordance with Military Specification
MIL-S-51132 or see 6.3.
3.2 Physical and chemical characteristics .-The Lead Azide
shall have the following chemical and physical characteristics
when tested as specified herein.
3.2.1 Color. -The color shall be white to buff, when
tested as specified in 4.3.1.
3.2.2 Form
3.2.2.1 Aggregates. -The aggregates shall contain no well
defined translucent crystals when examined microscopically
(see 4.3.2).
3.2.2.2 Particles. -The particles shall be opaque,
free flowing powder and irregular in size and shape when tested
as specified in 4.3.2.
3.3 Chemical tests
3.3.1 Purity. -The purity shall be 98.5 percent minimum
(min.), when-tested as specified in 4.3.3.
3.3.2 PH.-The lead azide shall have a pH of 7.5 max., and
5.0 min., when tested as specified in 4.3.4.
2
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