Analytical Analytical Biotech Lab Reagents Biotech Lab Reagents 1929 POTASSIUM PERCHLORATE POTASSIUM PERCHLORATE BIO-REFINED™ 138.55 7778,74,7 7778747 74,7 777874,7 7778 74 7 5.1/II 0.000 61311 40.70 100 G Al 10 ppm As 0.1 ppm Ba 100 ppm Bi 10 ppm Ca 10 ppm Cd 5 ppm Co 5 ppm Cr 5 ppm Cu 5 ppm Fe 5 ppm Li 5 ppm Mg 5 ppm Mn 5 ppm Mo 5 ppm Na 100 ppm Ni 5 ppm Pb 5 ppm Sr 5 ppm Zn 5 ppm Assay 99.5% min. pH (0.1M in water @ 20 deg. C) 5.0-6.5 Insoluble matter 0.005% Chloride (Cl) 0.05% Total Nitrogen (N) 0.005% Sulfate (SO4) 0.001% Absorbance (0.1M in H2O) @ 260 nm 0.010 Absorbance (0.1M in H2O) @ 280 nm 0.010