Supplier Page from Thermo Fisher Scientific for Germanium, plasma standard solution, Specpure:r, Ge 10,000µg/mL
Multi-Element Plasma Standard Solution 2, Specpure® from Thermo Fisher Scientific
Oxalate, Ion chromatography standard solution, Specpure:r, C{2}O4:-µ2 1000µg/mL from Thermo Fisher Scientific
Potassium chloride, 0.0765M, Conductivity Standard from Thermo Fisher Scientific
Tungsten, plasma standard solution, Specpure:r, W 1000µg/mL from Thermo Fisher Scientific