Spectromelt^® A 22

Chloride (Cl): ≤ 50 ppm
Phosphate (PO₄): ≤ 20 ppm
Silicate (SiO₂): ≤ 100 ppm
Sulfate (SO₄): ≤ 50 ppm
Ag (Silver): ≤ 5 ppm
Al (Aluminium): ≤ 10 ppm
Ba (Barium): ≤ 5 ppm
Ca (Calcium): ≤ 20 ppm
Cd (Cadmium): ≤ 5 ppm
Co (Cobalt): ≤ 5 ppm
Cr (Chromium): ≤ 5 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 20 ppm
Ga (Gallium): ≤ 5 ppm
K (Potassium): ≤ 10 ppm
Mg (Magnesium): ≤ 5 ppm
Mn (Manganese): ≤ 5 ppm
Na (Sodium): ≤ 20 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sr (Strontium): ≤ 5 ppm
Zn (Zinc): ≤ 10 ppm
Loss on ignition (900 °C): ≤ 0.5 %
Bulk density: about 130

SPECTROMELT is a registered trademark of Merck KGaA, Darmstadt, Germany