二氯甲烷

色谱级农残
纯度Purity(GC)≥99.9%
红外光谱Identity(IR)Conforms
蒸发残渣Residue on evaporating≤3.0mg/L
水分Water≤100ppm
酸度Acidity≤0.0002meq/g
碱度Alkalinity≤0.0002meq/g
透过率Free Chlorine≤10ppm

Transmission

-at 240nm≥70%

-at 245nm ≥90%

-from 260nm≥99%




Trace Organic Residues

FID-Sensitive Impurities (as 2-Octanol) Single Impuruty Peak≤5ng/ml

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