• 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