Listing ID#10069779
CategoryChemicals
Quick answer
ascorbic acid is a Chemicals product. Key specs — Origin: made in china.
Product Description
Product Name:Ascorbic acid Producd standard:BP2005/USP29/EPV/FCCV
Item | Analysis standard | Analysis results |
Charachteristics | White or almost white crystalline powder | pass |
Identification | Positive reaction | Positive |
Melting point | About 190 | 191 |
Ph | 2.1-2.6 | 2.4 |
Clarity of solution | Clear | Clear |
Colour of solution | dBY7 | BY7 |
Copper | d5ppm | 5ppm |
Heavy metals | d10ppm | 10ppm |
Lead | d2ppm | 2ppm |
Iron | d2ppm | 2ppm |
Oxalic acid | d0.2% | 0.2% |
Suphate ash(Residue on ignition) | d0.1% | 0.05% |
Spcific optical rotation | +20.5°- +21.5° | +20.9° |
Assay | 99.0%-100.5% | 99.9% |
Organic volatile impurities | Pass | Pass |
