Tin bronze analysis

The standard test method specifies determination of Al, Si, P, S, Mn, Fe, Ni, Zn, Sb, Sn, Pb in tin bronze.
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The sample preparation and standards preparation for calibration includes their finishing with a lathe and further cleaning with alcohol. The roughness of the surface shall be better than 50 micron, has no cracks, porous or cavities, no slack or nonmetal inclusions.
The sample for analysis is made as a 40 mm diameter disk up to 20 mm thick with flat surface. The surface roughness is to be better than 50 mm.
No further sample preparation is required. The sample is placed into a sample cartridge and then into spectrometer. Analysis is fulfilled automatically with a chosen program.
The test method specifies element mass content determination in the ranges listed in the table:

ElementMass content range, %
Sn1,0 - 15,0
Zn0,1 - 16,0
Ni0,1 - 4,0
Pb0,01 - 15,0
P0,01 - 2,0
Sb0,01 - 0,5
Fe0,01 - 1,0
Mn0,01 - 0,5
Al0,01 - 0,1
Si0,01 - 0,1
S0,01 - 0,1

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