Henan Xingfa Bio-Technology Co., Ltd.  

Product Name: Bp2009/USP32 Ascorbic Acid Model NO.: xf-aa91 Color: White Appearance: Powder Classification: Food Additives Efficacy: Promote Nutrition Transport Package: in 25kg/Carton Specification: BP2008/USP31/FCCVI/E300 Origin: China HS Code: 29362700 Product Description Product Name ASCORBIC ACIDStandard BP2008/USP31/FCCVI/E300Items SpecificationsCharacteristics White or almost white, crystalline powderIdentification Positive reactionMelting Point about 190Celsius degreePH 2.1-2.6Clarity of solution ClearColor of solution ≤ BY7Copper ≤ 5ppmHeavy metals ≤ 10ppmMercury <0.1mg/kgLead <3mg/kgArsenic ≤ 3ppmCadmium(Cd) <1mg/kgOxalic Acid ≤ 0.2%Iron ≤ 2ppmLoss of drying ≤ 0.4%Sulphate ash (residue on ignition) ≤ 0.1%Specific optical rotation +20.5° - +21.5° Mesh 40-80 MeshAssay 99.0%-100.5%