Talc powder
Industrial grade/pharmaceutical grade/cosmetic grade
Product Description
Talc powder
Color: white or similar white
Smell: odorless, tasteless
Water solubility: insoluble
CAS No:14807-96-6
Product index
Inspection item | Standard provisions | Test results | Result determination |
Character | White or white, fine, no sand, powder, hand touch with soapy, micro gas, light. Insoluble in water, dilute hydrochloric acid, dilute sodium hydroxide solution | Comply with the provisions | Qualified |
Identify(1) | Should comply with the provisions | Comply with the provisions | Qualified |
Identify(2) | Should comply with the provisions | Comply with the provisions | Qualified |
Whiteness | Superior product (90 medicinal) ≥90% First Grade (86 medicinal) ≥85% | 90.8% | Qualified |
Fineness | 45μm Analysis Screening pass rate≥98.0% | 98.31% | Qualified |
PH | Litmus neutral | Neutral | Qualified |
Soluble in water | ≤0.1% | 0.94% | Qualified |
Acid soluble matter | ≤2.00% | 1.80% | Qualified |
Ferric salt | Blue can not be displayed in a timely manner | Not timely display blue | Qualified |
Loss on ignition | ≤5.0%(800℃) | 2.35% | Qualified |
Heavy metal | ≤40 mg/kg | ≤40 mg/kg | Qualified |
Arsenic salt | ≤2 mg/kg | ≤2mg/kg | Qualified |
Bacterial count | ≤500 cfu/g | 30 cfu/g | Qualified |
Molds and yeasts | ≤100 cfu/g | 10 cfu/g | Qualified |
Escherichia coli | Not detectable | Not detectable | Qualified |