... and reliable production capacity 2.competitive price 3.professional service SSA /Sodium Sulphate Anhydrous/Na2SO41.UsageSodium Sulphate Anhydrous can be used ... .200.01whiteness %≥8285.8PH Value6~87.5 4.Character of SSA 99%:It is white, monoclinal crystal or powder, and its ... purity products can be provided ,any question will be appreciated! SSA 99%