C11119200 鎳標液，1mg/ml

C11119300 鎳標液，10mg/L

C01800102 鎳，AR，99.5%

C11110300 銅標液，1mg/ml

C11110100 銅標液，0.01mg/ml

C11110200 銅標液，0.1g/L

C11502100 硫酸亞鐵銨標液，0.1mol/L

C11502300 硫酸亞鐵銨標液，0.25mol/L

C11306100 硫酸鈰標液，0.1mol/L

C11117200 鉻標液，1mg/ml