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

Analytical Analytical Biotech Lab Reagents Biotech Lab Reagents 1914 GUANIDINE HYDROCHLORIDE GUANIDINE HYDROCHLORIDE BIO-REFINED™ NH₂C(NH)NH₂•HCl 95.53 50,01,1 50011 01,1 5001,1 50 01 1 NR 0.000 41501 50.00 100 G Al 5 ppm As 0.1 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. Residue on ignition 0.05% Substances reducing permanganate 0.005% pH (10M in water @20 deg.C) 4.5-6.0 Loss on drying (High vacuum @ 20 C) 0.05% Insoluble matter 0.005% Sulfate (SO4) 0.005% Absorbance @ 260 nm (6 M in H2O) <0.03 Absorbance @ 280 nm (6 M in H2O) <0.02