| 98%:
外观Appearance 无色透明液体 红外光谱鉴别Infrared spectrometry 符合 纯度Purity ≥99.0% (GC) 相对密度Specific gravity (20/20°C) 0.7430 - 0.7460 折光率Refractive index n20/D 1.4040 - 1.4060
95%:
外观Appearance 无色透明液体 红外光谱鉴别Infrared spectrometry 符合 纯度Purity ≥95.0% (GC) 相对密度Specific gravity (20/20°C) 0.7300 - 0.750 折光率Refractive index n20/D 1.4040 - 1.4060
项目 农残级 (for residue analysis) 外观Appearance 透明液体 纯度Purity ≥99.0%(by GC, for cyclopentane and C5 isomers) 含量assay ≥75% cyclopentane basis 色度Color scale <10 APHA >水分Water <0.01 % >紫外吸收波长Wavelength (nm) Max. Absorbance λ: 215 nm A max: 0.5 λ: 225 nm A max: 0.1 λ: 300 nm A max: 0.005 λ: 400 nm A max: 0.005 ECD (as Heptachlor Epoxide) <10 ng/L >折光率Refractive index n20/D 1.4015 ± 0.0050 蒸发残渣Residue 1 mg/L
(注:农残级适合HPLC、GC、农残分析、光谱分析、有机合成等多用途的高纯溶剂) |