SPI Supplies

SPI Zinc Selenide Powders and Chunks

Chemical analysis results


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Content of impurities, wt.%, in ZnSe powder:
Copper (Cu)< 1 x 10-5
Magnesium (Mg)2 x 10-5
Aluminium (Al)7 x 10-5
Manganese (Mn)< 2 x 10-4
Iron (Fe)< 1 x 10-4
Tin (Sn)< 1 x 10-4
Nickel (Ni)< 5 x 10-5
Titanium (Ti)< 5 x 10-5
Chromium (Cr)< 1 x 10-4
Lead (Pb)< 1 x 10-4
Silver (Ag)< 1 x 10-5
Bismuth (Bi)< 5 x 10-5

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Sunday March 21, 2010
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