Zinc oxide rau tshuaj pleev ib ce
1.Qhov purity siab thiab qhov loj me yog qhov me me. Cov tshuaj pleev ib ce, khoom tu tawv nqaij tau zoo thiab du, muaj nplua thiab ua kom zoo nkauj, adhensive quab yuam muaj zog. Nws muaj zoo dua li ntxiv.
2.Qhov cov ntsiab lus hlau hnyav xws li cov hlau lead, cadmium, mercury thiab arsenic yog qhov tsawg heev. Nws tuaj yeem ntsib suav cov chaw muag tshuaj suav tshuaj (CP), British pharmacopoeia (BP), kev xav tau ntawm Asmeskas pharmacopoeia (USP) .Txhua cov tshuaj pleev ib ce thiab cov khoom tu tawv nqaij tsis muaj kev cuam tshuam rau tib neeg lub cev.
3. Cov ntaub ntawv pov thawj cov ntaub ntawv
| Cov yam ntxwv | Hhz031 | Hhz032 |
| Zinc oxide (suav los ntawm cov tshuaj qhuav)% ≥ | 99.9 | 99.8 |
| Hlau （Zn）% ≤ | / | / |
| Lead oxide (Pb)% ≤ | 0.001 | 0.003 |
| Cd% ≤ | 0.0005 | 0.0005 |
| Arsenic% ≤ | 0.0005 | 0.0005 |
| Qhov loj me (um) | 20-40 | 4-22 |
| Hydrochloric indissoluble yam khoom plig% ≤ | 0.002 | 0.004 |
| 105 ℃ cov tshuaj tsis haum% ≤ | 0.03 | 0.2 |
Cim npe nrov: zinc oxide rau kom hniav zoo nkauj, Tuam Tshoj, tuam ntxhab, cov chaw muag khoom, lub Hoobkas, pheej yig, luv nqi, quotation, qis tus nqi, dawb qauv
