High-purity powders of II - VI compounds

Application fields: Start materials for the crystal growth by different methods; ceramic manufacturing.
II-VI compounds available: ZnSe; ZnS; CdSe; CdS
Grain size: £20 mkm
Purity:  See the table below; follow links for detailed data

Impurity Content of impurities, wt.%, in powder
ZnSe ZnS CdSe CdS
Copper(Cu) < 1´10-5 < 2´10-5 < 5´10-6 < 5´10-6
Magnesium(Mg)
2´10-5
2´10-5
 < 2´10-5 < 5´10-5
Aluminium(Al)
7´10-5
3´10-5
3.7´10-5
2´10-5
Manganese(Mn) < 2´10-6
<3´10-6
<5´10-6
 < 5´10-6
Iron(Fe) < 1´10-4 < 1´10-4 < 2´10-5 < 2´10-5
Tin(Sn) < 1´10-7 < 5´10-7 < 5´10-7 < 5´10-7
Nickel(Ni) < 2´10-6
<2´10-6
<2´10-6
 < 5´10-6
Titanium(Ti) < 1´10-7 < 1´10-7 < 1´10-7 < 1´10-7
Chromium(Cr) < 1´10-6
2.5´10-6
2.4´10-6
 < 2´10-6
Lead(Pb) < 1´10-6 < 1´10-6 < 1´10-6 < 1´10-6
Silver(Ag) < 3´10-6 < 3´10-6 < 3´10-6 < 5´10-6
Bismuth(Bi) < 1´10-6 < 1´10-6 < 1´10-6 < 1´10-6

Material Safety Data Sheets for: ZnSe, ZnS, CdSe, CdS