• Chemical Manufacturer of Laboratory Reagents, Bulk Inorganics and Organics for Process Chemistry Since 1928.

Analytical Analytical Biotech Lab Reagents Biotech Lab Reagents 1907 BORIC ACID BORIC ACID BIO-REFINED™ H₃BO₃ 61.83 10043,35,3 10043353 35,3 1004335,3 10043 35 3 NR 0.000 17371 56.20 500 G Al 5 ppm As 0.5 ppm Ba 5 ppm Bi 5 ppm Ca 10 ppm Cd 5 ppm Co 5 ppm Cr 5 ppm Cu 5 ppm Fe 5 ppm K 50 ppm Li 5 ppm Mg 5 ppm Mn 5 ppm Mo 5 ppm Na 50 ppm Ni 5 ppm Pb 5 ppm Sr 5 ppm Zn 5 ppm Assay 99.5% min. pH (0.5M in water) 3.0-5.0 Insoluble matter 0.005% Loss on drying @ 70 C 0.5% Non-volatile subs in Methanol/HCl 0.05% Chloride 0.0003% Phosphate 0.0005% Sulfate 0.0005% Absorbance at 260 nm (0.5M in H2O) 0.015 max Absorbance at 280 nm (0.5M in H20) 0.010 max