MIL --- DTL --- 51523A(EA)
TABLE I. Chemical and physical requirements.
Requirement
Test
Characteristic
Paragraph
Type I
Type II
Purity, dry basis, percent by weight, minimum
96
96
4.4.1
Heavy metal content
4.4.4
Arsenic (As), ppm maximum
<3
<3
Cadmium (Cd), ppm maximum
< 15
< 15
Mercury (Hg), ppm maximum
<3
<3
Lead (Pb), ppm maximum
< 20
< 20
Chromium (Cr), ppm maximum
< 30
< 30
Zinc (Zn), ppm maximum
< 30
< 30
Volatile matter, percent by weight, maximum
1
1
4.4.3
Particle size distribution:
4.4.2
Average particle size, microns, maximum
--- --- ---
45
Average particle size, microns, minimum
--- --- ---
30
Particles less than 10 microns, percent maximum
--- --- ---
20
Distribution shape
--- --- ---
Single mode
Particles less than 850 microns, percent minimum
100
--- --- ---
Particles less than 300 microns, percent minimum
97
--- --- ---
Particles less than 45 microns, percent maximum
40
--- --- ---
Apparent density, grams per milliliter (dry basis)
0.20 ¦ 0.10 0.40 +0.10,
4.4.5
--- 0.15
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classi-
fied as follows:
(a) First article inspection (see 4.2)
(b) Conformance inspection (see 4.3)
4.2 First article inspection.
4.2.1 Lotting. The first article lot shall consist of at least 970 kg of Solvent Red 1 Dye manu-
factured using the same methods, materials, equipment, and processes as will be used during
regular production. The first article sample shall be submitted for inspection and approval in
accordance with the terms of the contract. If there is any change of vendors, methods, materi-
als, equipment, facilities, or if there is a break in production of 90 days or more, the contracting
3
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