Impurity contentBoron, B: ≤0.1ppm (≤100ppb)
Water Content (Karl Fischer Titration)≤0.02%
Trace MetalAluminum, Al: ≤0.1ppm (≤100ppb)
Trace MetalArsenic, As, and Antimony, Sb (as Arsenic); ≤0.01ppm (≤10ppb)
Trace MetalCalcium, Ca: ≤0.1ppm (≤100ppb)
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