No.1Nrog rau kev siv cov cuab yeej ua kua qaub, cov khoom siv phom sij tau raug tshem tawm tag nrho, cov ntsiab lus hlau hnyav qis tshaj plaws, qhov ntsuas kev noj qab haus huv yog nruj dua.
Zinc sulfate
Lub npe tshuaj: Zinc sulfate
Formula: ZnSO4• H2O
Molecular Luj: 179.41
Cov tsos mob: Dawb hmoov, anti-caking, zoo fluidity
Physical and Chemical indicator:
Yam khoom | Qhov taw qhia |
ZnSO4• H2O | 94.7 ua |
Zn Cov ntsiab lus, % ≥ | 35 |
Tag nrho cov arsenic (raws li As), mg / kg ≤ | 5 |
Pb (xws li Pb), mg / kg ≤ | 10 |
Cd (xws li Cd), mg/kg ≤ | 10 |
Hg (hloov mus rau Hg), mg / kg ≤ | 0.2 |
Cov ntsiab lus dej,% ≤ | 5.0 |
Fineness (Passing tus nqi W = 250µm test sieve), % | 95 |