Analytical Analytical Biotech Lab Reagents Biotech Lab Reagents 1919 MAGNESIUM CHLORIDE, HEXAHYDRATE HEXAHYDRATE BIO-REFINED MgCl•6H2O 203.30 7791,18,6 7791186 18,6 779118,6 7791 18 6 NR 1-0-0 0.000 48831 56.40 500 G Al 5 ppm As 0.1 ppm Ba 5 ppm Bi 5 ppm Ca 50 ppm Cd 5 ppm Co 5 ppm Cr 5 ppm Cu 5 ppm Fe 2 ppm K 50 ppm Li 5 ppm Mn 5 ppm Mo 5 ppm Na 50 ppm Ni 5 ppm Pb 5 ppm Sr 5 ppm Zn 5 ppm Assay 99% min. pH (1 M in water @ 20 C) 5.0 - 7.0 Insoluble matter 0.005% Sulfate (SO4) 0.005% Optical absorbance (1 M in water) @ 260 nm 0.030 Optical absorbance (1 M in water) @ 280 nm 0.025