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

Analytical Analytical Biotech Lab Reagents Biotech Lab Reagents 1910 CALCIUM SULFATE, DIHYDRATE DIHYDRATE BIO-REFINED™ CaSO₄•2H₂O 172.17 10101,41,4 10101414 41,4 1010141,4 10101 41 4 NR 1-0-0 0.000 19921 73.20 500 G As 0.1 ppm Ba 5 ppm Bi 10 ppm Cd 5 ppm Co 5 ppm Cr 5 ppm Cu 5 ppm Fe 50 ppm K 100 ppm Li 5 ppm Mg 200 ppm Mn 5 ppm Mo 5 ppm Na 100 ppm Ni 5 ppm Pb 20 ppm Sr 200 ppm Zn 5 ppm Assay 99.0% min. pH (0.01M in H2O) 5.0-7.5 Insoluble matter (in dil. HCl) 0.02% Chloride 0.005% Optical absorbance @260 nm (0.01 M in H2O) <0.009 Optical absorbance @280 nm (0.01 M in H2O) <0.007