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ICHQ3D-注射检测混标10元素-第2瓶 Au-100ppm,Ir-10ppm,Mo-1500ppm,Os-10ppm,Pd-10ppm,Pt-10ppm,Rh-10ppm,Ru-10ppm,Sb-90ppm,Sn-600ppm,溶于10%HCl+tr.HNO3
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ICHQ3D-注射检测混标10元素-*瓶 Ag-10ppm,As-15ppm,Cd-2ppm,Co-5ppm,Hg-3ppm,Ni-20ppm,Pb-5ppm,Se-80ppm,Tl-8ppm,V-10ppm,溶于5-10%HNO3
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