chloride (Cl-): ≤0.01%

2-25 μm

≤0.01% Fe3,+

60 Å

0.75 cm3/g pore volume

for thin layer chromatography

high-purity grade

~500 m2/g

13% gypsum as binder

VV7315000

nwg

>1600 °C

2230 °C

~6.8 (10% in aq. suspension)