≤0.02% insol. dil. HCl

CaSO4 · 2H2O

Mg: ≤0.02%

heavy metals (as Pb): ≤0.002%

K: ≤0.005%

Na: ≤0.02%

Sr: ≤0.05%

Fe: ≤0.001%

98.0-102.0% (ACS specification)

98%

carbonate (CO32-): passes test

chloride (Cl-): ≤0.005%

nitrate (NO3-): ≤0.005%

ACS reagent

EW4150000

Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

1