¥1
¥2
¥5
¥66
¥88
¥520
¥
致力于为分析测试行业奉献终身
Fe2+ 特征吸收位置:1.0-1.1μm,0.55μm ,0.51μm , 0.43μm , 0.45μm,1.8-1.9μmFe3+ 0.87 0.7 0.52 0.49 0.45 0.40