硝酸钾，Potassium nitrate；99.995 Suprapur®

Purity (metallic): ≥ 99.995 %
Assay (acidimetric): ≥ 99.0 %
Chloride (Cl): ≤ 5 ppm
Sulfate (SO₄): ≤ 30 ppm
Al (Aluminium): ≤ 0.05 ppm
Ba (Barium): ≤ 1.0 ppm
Ca (Calcium): ≤ 0.1 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.005 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.005 ppm
Cs (Cesium): ≤ 5 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.005 ppm
Fe (Iron): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.01 ppm
La (Lanthanum): ≤ 0.005 ppm
Li (Lithium): ≤ 0.2 ppm
Mn (Manganese): ≤ 0.005 ppm
Mg (Magnesium): ≤ 0.10 ppm
Na (Sodium): ≤ 20 ppm
Ni (Nickel): ≤ 0.005 ppm
Pb (Lead): ≤ 0.005 ppm
Rb (Rubidium): ≤ 30 ppm
Sc (Scandium): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.005 ppm
Sr (Strontium): ≤ 0.10 ppm
Tl (Thallium): ≤ 0.005 ppm
Y (Yttrium): ≤ 0.005 ppm
Yb (Ytterbium): ≤ 0.005 ppm
Zn (Zinc): ≤ 0.010 ppm

 

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