产品信息 - Sell ascorbic acid->Food Additive

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Sell ascorbic acid

产品分类 :

化學->化學原料->食物附加劑

产品描述

Ascorbic Acid
Name: Ascorbic Acid
CAS No.: 50-81-7
Chemical Formula: C6H8O6
Specification: BP 2000 / USP 24 / FCC IV
Packing: In 25kg cartons
Functional use: Antioxidant

Detailed Specifications

Items Specifications
Appearance: White crystalline powder
Identification: Positive reaction
Melting point: About 190 ºC
Specific rotation: +20.5 --- +21.5 º
PH value: 2.1 – 2.6
Clarity of solution: Clear
Colour of solution: BY7 max
Heavy metals: 10 ppm max
Copper: 5 ppm max
Iron: 2 ppm max
Assay(on dried basis): 99.0 – 100.5%
Residue on ignition:: 0.1% max
Organic volatile impurities : Conforms
Oxalic Acid: 0.2% max

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