万腾 二氯甲烷(农残级)
·产品分类 - 农残级溶剂
·CAS NO. - 75-9-2
·包装规格 - 4L玻璃瓶
·含 量 - ≥99.9%
详细参数
有机溶液专家 好品质
- 纯度 (GC-FID)
- ≥99.9%
- 一致性 (红外检测)
- Conforms
- 蒸发残渣 (evaporating)
- ≤3.0mg/L
- 水 分 (water)
- ≤100ppm
- 酸 度 (Acidity)
- ≤0.0002meq/g
- 碱 度 (Alkalinity)
- ≤0.0002meq/g
- 微量有机物残留 (Trace Organic Residues)
- FID-Sensitive Impurities (as 2-Octanol) Single Impurity Peak ≤5ng/ml
ECD-Sensitive Impurities (as Heptachlor Epoxide) Single Impurity Peak ≤10pg/ml
- 可碳化物质测试 (Substances Darkened by H2SO4)
- /
- 透过率 (以1cm水为参比)
- -at 240nm≥70%
-at 245nm≥90%
-from 260nm≥99%