A-A-51144
TABLE II. Sampling plan
|
Lot Size |
Sample Size |
Acceptance, number defective |
Rejection, number defective |
|
2 - 8 |
2 |
1 |
2 |
|
9 - 15 |
5 |
1 |
2 |
|
16 - 25 |
8 |
2 |
3 |
|
26 - 50 |
13 |
3 |
4 |
|
51 - 90 |
20 |
5 |
6 |
|
91 - 150 |
32 |
7 |
8 |
|
151 - 280 |
50 |
10 |
11 |
|
281 - 500 |
80 |
14 |
15 |
Chemical composition test. One anode of each type being furnished shall be tested and analyzed to determine conformance with the chemical element composition in table I. Chemical element composition of the copper anodes shall be determined by standard methods of chemical analysis for copper and copper alloys. If the anode does not conform to the required chemical element composition in table I, the entire lot shall be rejected. Type II and type III copper anodes shall be further tested for the presence of cuprous oxide. Copper anodes selected for cuprous oxide examination shall be microscopically examined at not less than 75 diameters magnification and\ there shall be no cuprous oxide present. If any sample is found to contain cuprous oxide, the entire lot shall be rejected.
Preservation, packaging, packing, labeling, and marking. Unless otherwise specified in the contract or order, preservation, packaging, packing, and labeling or marking shall be in accordance with ASTM D 3951. When specified in the contract or order, preservation, packaging, packing, and labeling or marking shall be in accordance with Federal Specification PPP-B-585, PPP-B- 601 or PPP-B-621, level as specified.
NOTES: Acquisition documents should specify the following:
a. Title, number, and date of this commercial item description.
b. Type, style, size, length when applicable, and quantity of anodes required.
c. If packaging in accordance with PPP-B-585, PPP-B-601 or PPP-B-621 is required, specify level.
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