Detailed Ascorbic Acid (VC) Description:
Characteristics White crystals or crystalline powder
Identification Positive Reaction
Melting Point 190-192 °C
PH 2.2~2.5
Clarity of Solution clear
Color of Solution ≤BY7
Specific Optical Rotation +20.5~+21.5°
Copper ≤ 5 ppm
Heavy metals ≤ 10 ppm
Iron ≤ 2 ppm
Oxalic Acid ≤ 0.2 %
Sulphated Ash ≤ 0.1 %
Residue on Ignition ≤0.1 %
Organic Volatile Impurities Pass USP Test
Assay 99.0~100.0%
Loss on drying ≤ 0.4 %
Lead ≤2 ppm
Mercury ≤1 ppm
Storage:
Kept in a light-proof,well-closed ,dry and cool place
- Products ID: 143179
- Product Category: Organic Acid
- Post date: Apr 27, 2014
Our company is specialized exporter, manufacturer and supplier of Ascorbic Acid (VC) in China.