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

ItemsSpecificationsColorWhite to pale yellow crystal like,or powderOderSimilar taste of vanillaMelting point81.0-83.0℃Solubility in alcohol (25Degc)1g completely soluble into 2ml 95% ethanol makes transparent solutionLoss on drying≤0.5%As co…

Analytical SpecificationsAppearance: White or whitelike powderAssay: ≥50%Loss on Drying: ≤5.0%Seive Analysis: ≥90% through No. 20 (US)Heavy Metal: ≤10mg/kgArsenic: ≤2mg/kgPb: ≤2mg/kgCadmium: ≤2mg/kgMerc…

Specification:ItemUnitStandardTest MethodAppearance Clear liquid, free from suspended matterVisualOdour SmelllessSmellingTriacetin Content%≥99.5GCColourHazen≤15GB/T3143-1982Refraction Index(20℃/25℃)--1.430～1.435/1.429～1.431GB/T6488-2…

Item Specifications Description White, crystalline powder or granules Identification Positive reaction Assay (﹪) 98.0～ 100.5 Loss on drying (﹪) 0.25max Specific Rotation +95.5°～ +98.0° Oxalate…