MIL --- DTL --- 51522A(EA)
TABLE I. Chemical and physical requirements.
Requirement
Test
Characteristic
Paragraph
Type I
Type II
Purity, dry basis, percent by weight, minimum
95
95
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 mini-
100
--- --- ---
mum
Particles less than 300 microns, percent mini-
97
--- --- ---
mum
Particles less than 45 microns, percent maximum
40
--- --- ---
Apparent density, grams per milliliter (dry basis)
0.40 ¦ 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 Disperse Red 11 Dye
manufactured 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 ap-
3
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