Sigma-Aldrich
Copper-beryllium alloy, Cu98Be2
Copper-cobalt-beryllium alloy, Cu97Co2.5Be0.5
Copper-gold alloy, Cu95Au5
Copper/nickel
Copper/silver
COG 133 trifluoroacetate salt
Colorimetric Biotin Assay Kit
比色法生物素检测试剂盒
Conical reaction vial
Constantan-resistance alloy, Cu55Ni45