麻花传媒剧在线mv观看免费,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换

Character: Blue green monoclinic crystal, soluble in water, glycerin; insoluble in alcohol; with corrosion, easy to deliquesce and efflorescence.Purpose: Used as medicine, fwd, agriculture pesticide, fertilizer, feed, pigment, catalyst, decontaminatio…

ITEMSSPECIFICATIONDESCRIPTIONWHITE OR ALMOST WHITE CRYSTALLINE POWDERIDENTIFICATIONa)I.R.SPECTRUMb)By HPLCc)CHLORIDESWATER CONTENT水分NOT MORE THAN 0.5％ (Using 0.4g)RESIDUE ON IGNITIONNOT MORE THAN 0.1％HEAVY METALSNOT MORE THAN 0.001％LIMIT OF DOR…

TestsStandards 1Characteristics A yellow crystalline powder hygroscopic2identificationTLCSulphuric acid yellow colour reactionChoride’s reaction3Acidity PH 2.0-3.04Absorbance300-3305Specific optical rotation -105º~ -`120º6H…