No.1Muab cov qauv.
No.2Lub ntim kuj tuaj yeem ua raws li cov neeg siv khoom xav tau.
No.3Txhua qhov kev nug yuav teb rau hauv 24 teev.
Lub npe tshuaj: Cobalt Sulfate Mono
Formula: Cov4· H2O /Cov4· 7 H2O
Molecular Luj: 173.01
Cov tsos mob: Pinky hmoov, anti-caking, zoo fluidity
Physical and Chemical indicator:
Yam khoom | Qhov taw qhia | ||
Ⅰ hom | Ⅱ hom | III typ | |
CoSO4· H2O ,% ≥ | 14.67 Nws | 96.83 ua | 97.7% (7H2O) |
Cov ntsiab lus, % ≥ | 10 | 33 | 20.5% |
Tag nrho cov arsenic (raws li As), mg / kg ≤ | 5 | ||
Pb (xws li Pb), mg / kg ≤ | 10 | ||
Cd (xws li Cd), mg/kg ≤ | 2 | ||
Hg (hloov mus rau Hg), mg / kg ≤ | 0.2 | ||
Cov ntsiab lus dej,% ≤ | 5 | ||
Fineness (Passing tus nqi W = 150µm xeem sieve), % ≥ | 95 |
Raws li cov khoom pib ua rau lwm cov ntsev cobalt; raws li tus neeg saib xyuas kom qhuav rau paintings, additive ntawm pub kev lag luam rau nyuj, nees, yaj ect.
Cia
Khaws ntawm qhov chaw qhuav. Tsis txhob cua sov thiab ntub dej.