纯度（GC-FID）    ≥99.9%
一致性(红外检测)  Conforms
蒸发残渣              ≤1.0mg/ml
水分                    ≤200ppm
酸度                    ≤0.0005meq/g
碱度                    ≤0.0002meq/g
透过率（以1cm水为参比）
-at 195nm            ≥70%
-at 200nm            ≥90%
-from 240nm        ≥98%
微量有机残留物
FID-Sensitive Impurities (as 2-Octanol) Single Impurity Peak                  ≤5ng/ml

ECD-Sensitive Impurities (as Heptachlor Epoxide) Single Impurity Peak  ≤10pg/ml