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

Inorganic Analytical Transition Metal Salts Primary Standards 686 COPPER COPPER PRIMARY STANDARD REAGENT (ACS), SHOT Cu 63.55 7440,50,8 7440508 50,8 744050,8 7440 50 8 NR 0.000 31002 59.30 500 G 31003 179.50 2.5 KG Assay 99.90% min. Insoluble in dil. HNO3 0.02% Antimony and tin (as Sn) 0.01% Arsenic 0.0005% Iron 0.005% Lead 0.005% Manganese 0.001% Phosphorus 0.001% Silver 0.002%