Zinc sulfate

Tshuaj Npe: Zinc sulfate

Molecular Chiv: Znro₄H₂O; Znro₄7H₂O

Molecular hnyav: Monohydrate: 179.44; Heptahydrate: 287.50

Cas：Monohydrate: 7446-19-7; Heptahydrate: 7446-20-20

Cwj pwm: Nws yog forgerless pob tshab prism los yog kev sib deev lossis cov hmoov av crystalline, tsw ntxhiab. Heptahydrate: Qhov kev txheeb ze ceev yog 1.957. Melting point yog 100 ℃. Nws yooj yim soluble hauv dej thiab aqueous daws yog acidic mus litmus. Nws yog me ntsis soluble hauv ethanol thiab glycerin. Lub monohydrate yuav poob dej ntawm qhov kub siab tshaj 238 ℃; Tus heptahydrate yuav effloresced maj mam nyob rau hauv cov huab cua qhuav ntawm chav tsev kub.

Hu rau tam sim no down thauj mus rau pdf

Khoom Qhia Qhia

Kev siv: Nws yog siv los ua cov khoom noj muaj txiaj ntsig (zinc fortifier) thiab ua kev pab pabcuam. Nws tau siv hauv cov kua mis, cov zaub mov mos, kua dej thiab mis nyuj, cov dej qab zib thiab cov hmoov noj qab zib.

Pob: Nyob rau hauv 25kg Composite yas Woven / Ntawv Hnab nrog PE liner.

Cia thiab thauj: Nws yuav tsum tau muab cia rau hauv lub tsev rau khoom qhuav thiab muaj cua sov kom sov thiab noo thaum kev tsheb thauj mus los, tsis txhob muaj kev puas tsuaj. Tsis tas li ntawd, nws yuav tsum muab khaws cia cais los ntawm cov tshuaj lom.

Txuj Ci Zoo: (GB25579-2010, FCC-VII)

Kev qhia tshwj xeeb		GB25579-2010	FCC VII
Cov ntsiab lus,w /%	Znro₄H₂O	99.0-100-100.5	98.0-100.5 Nws
Cov ntsiab lus,w /%	Znro₄7H₂O	99.0-108.7 Nws	99.0-108.7 Nws
Arsenic (li),w /% ≤		0.0003	----
Alkalis thiab alkaline ntiaj teb,w /% ≤		0.50	0.50
Acidity,		Xa Daim Xeem	Xa Daim Xeem
Selenium (SE),w /% ≤		0.003	0.003
Mercury (hg),w /% ≤		0.0001	0.0005
Txhuas (PB),w /% ≤		0.0004	0.0004
Cadmium (CD),w /% ≤		0.0002	0.0002