nitrate (NO3-): ≤0.001%

chloride (Cl-): ≤0.001%

phosphate (PO43-): ≤0.0005%

Ba: ≤0.0005%

As: ≤0.0001%

Bi: ≤0.0005%

Al: ≤0.0005%

Cd: ≤0.0001%

Cr: ≤0.0005%

Cu: ≤0.0002%

Fe: ≤0.0002%

Ca: ≤0.001%

Co: ≤0.0005%

Na: ≤0.005%

Pb: ≤0.0002%

Li: ≤0.0005%

Mn: ≤0.0005%

Ni: ≤0.0005%

Sr: ≤0.0005%

Mg: ≤0.0005%

Zn: ≤0.0001%

Mo: ≤0.0005%

K: ≤0.005%

Insoluble matter, passes filter test

≥99.0%

≤0.1% loss on drying, 110°C

<0.01% (as SO4)

A1M/280, H2O ≤0.030

A1M/260, H2O ≤0.037

1.77 g/mL at 25 °C(lit.)

>280 °C (dec.)(lit.)

5.0-6.0 (20 °C, 1 M in H2O)

H2O: soluble1 M at 20 °C, clear, colorless

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

1

BS4500000