少妇人妻偷人精品视蜜桃_三叶草欧洲码在线_国产成人免费ā片在线观看_大地资源网第二页免费观看_医院人妻闷声隔着帘子被中出

環(huán)己烷


色譜級農(nóng)殘
純度Purity(GC)≥99.5%
紅外光譜Identity(IR)Conforms
蒸發(fā)殘渣Residue on evaporating≤2mg/L
水分Water≤100ppm
酸度Acidity≤0.0002meq/g
堿度Alkalinity≤0.0002meq/g
透過率Transmission

-at 230nm≥50%

-at 240nm ≥80%

-from 260nm≥98%




Substances Darkened by H2SO4to pass test

Trace Organic Residues

FID-Sensitive Impurities (as 2-Octanol) Single Impuruty Peak10ng/ml

ECD-Sensitive Impurities (as Heptachlor Epoxide) Single Impuruty Peak10pg/ml