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ITEM | STANDARD |
Name | Citric Acid Anhydrous |
CAS No. | 77-92-9 |
Chemical formula | C6H8O7 |
Specification | BP 98 / USP 24 |
Packing | In 25kg paper bags |
Functional use | Acidity regulator |
Items | Specifications |
Appearance | White crystals or crystalline powder |
Identification | Conforms |
Clarity and color of Solution | Conforms |
Assay | 99.5 - 101.0% |
Chloride(Cl) | 50 ppm max |
Sulfate(SO42-) | 150 ppm max |
Loss on drying | 1% max |
Heavy metals(Pb) | 10 ppm max |
Barium | Conforms |
Iron | 50 ppm max |
Calcium | 200 ppm max |
Oxalate | 350 ppm max |
Sulfated ash | 0.10% max |
Readily carbonisable substances | Conforms |
Items | Standards | ||||
Description | Colorless crystals or white crystalline powders | ||||
Clarity & Clolor of Solution | 20% water solution clarifying | ||||
Assay | 99.5%-100.5% | ||||
Moisture | 7.5-8.8 | ||||
Sulphated Ash | ≤ 0.05% | ||||
Light Transmittance | ≥97.0% | ||||
Sulpahte | ≤150ppm | ||||
Chloride | ≤50ppm | ||||
Calcium | ≤75ppm | ||||
Heavy Metal | ≤5ppm | ||||
Iron | ≤5ppm | ||||
Oxalate | ≤100ppm | ||||
Readily Carbonizable | Not darker than standard | ||||
Aluminium | ≤0.2ppm | ||||
Arsenic | ≤1ppm | ||||
Mercury | ≤1ppm | ||||
Lead | ≤0.5ppm | ||||
Endotoxin of Germ | ≤0.5IU/Mg | ||||
Tridodecylamine | ≤0.1ppm |
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