Assay (GC): ≥ 99.5 %

Identity (IR-spectrum): conforms

Al (Aluminium): ≤ 500 ppb

B (Boron): ≤ 20 ppb

Ba (Barium): ≤ 100 ppb

Ca (Calcium): ≤ 500 ppb

Cd (Cadmium): ≤ 50 ppb

Co (Cobalt): ≤ 20 ppb

Cr (Chromium): ≤ 20 ppb

Cu (Copper): ≤ 20 ppb

Fe (Iron): ≤ 100 ppb

Mg (Magnesium): ≤ 100 ppb

Mn (Manganese): ≤ 20 ppb

Ni (Nickel): ≤ 20 ppb

Pb (Lead): ≤ 100 ppb

Sn (Tin): ≤ 100 ppb

Zn (Zinc): ≤ 100 ppb

Diethanolamine (GC): ≤ 0.1 %

Triethanolamine (GC): ≤ 0.1 %

Water (according to Karl Fischer): ≤ 0.2 %