农残级 | 农残 | |
纯度 | Purity(GC) | |
红外光谱 | as n-Hexane | ≥97.0% |
蒸发残渣 | as C6 Hydrocarbons | ≥99.5% |
水分 | Identity(IR) | Conforms |
酸度 | Residue on evaporating | ≤1mg/L |
碱度 | Water | ≤100ppm |
透过率 | Acidity | ≤0.0002meq/g |
Alkalinity | ≤0.0002meq/g | |
Transmission | ||
-at 240nm | ≥50% | |
-at 245nm | ≥85% | |
-from 260nm | ≥98% | |
Substances Darkened by H2SO4 | pass test | |
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 |