Quantity:200
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Appearance: Smoky grey crystalline powder
assay: 98.0% Min.
Loss on drying: 2.0% Max.
Heavy metals (pb): 10ppm Max.
arsenic (AS): 2ppm Max.

Appearance: Smoky grey crystalline powder
assay: 98.0% Min.
Loss on drying: 2.0% Max.
Heavy metals (pb): 10ppm Max.
arsenic (AS): 2ppm Max.

