Chiyero ichi chakagadzirwa zvinoenderana nemaitiro ekuChina aripo ekugadzirwa kwemakemikari emhangura nemhangura alloy kunyunguduka uye kugadzira zvigadzirwa, zvinoti GB/T468-1997 "Copper Wire Ingots for Electrical Use", GB/T3952-1998 "Copper Wire Billets for Electrical Use", GB/T4}619 "High{{10}kuchena Cathode Copper" uye "Standard Cathode Copper", uye GB/T5231-2001 "Processed Copper and Copper Alloys" Kubva pa"Chemical Composition and Product Shape", the original national standards GB/5121-1996 "Chemical Analysis Methods/-T1319 GB Copper uye Alloys 131 GB" "Chemical Analysis Methods for High-Purity Cathode Copper" yakagadziridzwa zvakarongeka. Nzira dzekuongorora dzepamusoro dzinoshandiswa kutsiva nzira dzekuongorora dzine chepfu uye dzinokuvadza, uye hydride generation - non-dispersive atomic fluorescence spectrometry inoshandiswa kutsiva catalytic oscillopolarography yekuziva arsenic, antimony, selenium, tellurium, etc. Nzira nomwe itsva dzekuongorora dzakagadzirwa uye redhisheni yekuongorora yakarongwa uye reredmissioned arsenic , e-redmissions, e-redmissions, e-redmission alytical-alytical couple. nzira yekuongorora uye nzira yekuongorora mercury, nezvimwe.
