The chemical analysis of pig lead with various chemical compositions is covered in ASTM E37-05. This method is used to determine bismuth, copper, silver, zinc, and antimony in pig lead in different concentrations. The values expressed in SI units are considered standard.
Scope:
ASTM E37-05 is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use these methods will be trained analysts capable of performing common laboratory procedures skillfully, and work will be performed in a properly equipped laboratory.
Procedure:
| Test Methods | Sections |
| Copper, bismuth, silver, and zinc by the atomic absorption method | 10-20 |
| Antimony by the Rhodamine-B Photometric method | 21-30 |
Specimen size:
The lines used are Cu 324.7, Bi 223.0, Ag 328.0, and Zn 213.8 nm, and photometric measurement is made at approximately 550.
nm.
Data
Element, % 5= [(A×B) ×0.977)/C]×100
Bismuth, Standard Solution (1 mL = 1 mg Bi)
Copper, Standard Solution (1 mL = 1 mg Cu)
Silver, Standard Solution (1 mL = 1 mg Ag)
Zinc, Standard Solution (1 mL = 0.1 mg Zn)
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