Kutulutsa kuthekera kwa Cas 7446-19-7 zinc sulfate monohydrate m'moyo watsiku ndi tsiku
M'zaka zaposachedwa, kugwiritsa ntchito nthaka sulphate monohydrate ufa kwafala kwambiri, makamaka m'munda waulimi. Aogubio, kampani yomwe imagwira ntchito bwino pakupanga ndi kugawa zinthu zomwe zimagwira ntchito pazamankhwala, zaiwisi ...
Onani zambiri