Speiss is a molten phase consisting primarily of iron arsenide that is commonly encountered in lead smelting operations.Samans, Carl H.

Copper speiss as a co-additive in refining crude lead bullion
Removal of arsenic from lead smelter speiss
The production of speiss (iron arsenide) during the Early Bronze Age in Iran
Large scale smelting of speiss and arsenical copper at Early Bronze Age Arisman, Iran
Crystallization sequences in matte and speiss from primary lead metallurgy
Distribution of Elements in Slag, Matte, and Speiss during Settling Operation
Reducing the leachability of iron-arsenic speiss using modified alumina refinery residue
Falemez M, Speiss BInvestigation of the ternary D-myo-inositol 1,2,6-tris (phosphate)-spermidine-Zn2+ system in solution. J Inorg Bi...
MASTER ' S THESIS Distribution of Elements in Slag , Matte , and Speiss during Settling Operation
The Liquid Miscibility Gap and the Distribution of Silver Between Speiss and Metallic Lead in the Pba??Fea??As, Pba??Cua?...