An tsara wannan ma'auni daidai da ƙa'idodin Sinanci na yanzu don haɗakar da sinadarai na tagulla da jan ƙarfe na narkewa da samfuran sarrafawa, wato GB/T468-1997 "Copper Wire Ingots for Electrical Use", GB/T3952-1998 "Copper Wire Billets for Electrical Use", GB/T46}} 7{9} Cathode Copper" da "Standard Cathode Copper", da GB/T5231-2001 "Tsarin Copper da Copper Alloys" Bisa "Chemical Haɗin gwiwa da Samfurin Samfurin", asali na kasa matsayin GB / 5121-1996 "Chemical Analysis Hanyoyi for Copper da Copper Alloys" da kuma GB-19 Hanyar High-Purity Cathode Copper" an yi bita ta tsari. Advanced Analytical dabaru da ake soma maye gurbin guba da cutarwa hanyoyin nazari, da kuma hydride tsara - wadanda ba dispersive atomic fluorescence spectrometry da ake amfani da su maye gurbin catalytic oscillopolarography ga kayyade arsenic, antimony, selenium, tellurium, da dai sauransu Bakwai sabon analytical hanyoyin da aka tsara da kuma atomical analysis ciki har da atomical analysis, ciki har da atomical analysis, ciki har da atomical analysis. hanyar nazarin mercury, da sauransu.
