MIL-DTL-46225D
DEPARTMENT OF DEFENSE SPECIFICATIONS
MIL-S-51132
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Sodium Carboxymethyl Cellulose (For Ammunition
Use)
DEPARTMENT OF DEFENSE STANDARDS
MIL-STD-1916
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DOD Preferred Methods for Acceptance of Product
(Copies of these documents are available online at https://assist.daps.dla.mil/ or from the
Standardization Document Order Desk, 700 Robbins Avenue, Building 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, 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 First article. When specified (see 6.2), first article inspection shall be performed in
accordance with 4.3.
3.2 Conformance inspection. Conformance inspection shall be performed in accordance
with 4.4.
3.3 Crystal growth control agent. Lead Azide RD-1333 shall be precipitated from a
solution of Sodium Carboxymethyl Cellulose (NaCMC) which shall be used as the crystal
growth control agent.
3.4 Physical characteristics.
3.4.1 Color. The color shall be white to buff.
3.4.2 Bulk powder. Powder shall be free flowing.
3.4.3 Particle size and shape. Particles shall be irregular in size and shape or regular bars
of material (rectangles, pointed bars, etc) which may be slightly translucent. No transparent
needle shaped crystals (length to width of 7 to 1 or greater, similar to those in Figure 4) or
platelets shall be present (similar to those in Figure 5).
3.5 Chemical tests.
3.5.1 Purity. The purity shall be 97.5 percent minimum (min).
3.5.2 pH. The lead azide shall not be greater than a pH of 7.5 and shall not be less than a
pH of 5.0.
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