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C15900191 碲粉，5N，99.999%

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

C11117100 鉻標液，0.1g/L