biovisionK380-250calcium assay kit, calcium assay, calcium kit, assay calcium, measure calcium level, quantitate calcium level, calcium quantitation kit, calcium, calcium colorimetric assay kit? Detection method- Absorbance (575 nm) ? Species reactivity- Mammalian ? Applications- The kit can detect calcium concentration 0.4-100 mg/dL (0.1-25 mM). Cell and tissue lysates, culture media, urine, plasma and serum, as well as many other biological fluids