Submitted by curator on Thu, 10/15/2015 - 16:48
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Inv. 31-17-220 Spatula A cut across the broken part of the blade: magnification, 200x Etchant: Ammonium hydroxide + hydrogen peroxide (Sn, 0.041%; As, 3.2%; Ni, 2.8%)
A description of the microstructure is in preparation.
Microhardness: VHN: 133 ± 4 (n=7) Uniform:
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